OT-2026-000056526
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000056526) never changes.
Identity and time
| Publication number | OT-2026-000056526 · never reused |
|---|---|
| Internal UUID | 01a0ae87-7af5-7040-8335-901967c1f5a9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:49.577818Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056526 |
| Status | PUBLIC |
Content hashes
| Canonical text | ab1513d0debbfefb06815094be93050c445826707c9deb80d28989702e6c60db |
|---|---|
| Markdown | 0c5b69f870bf89558175ccf8ecc87b40f5f6fd0ecd901a24bcc1b300ddf4057c |
| Publication page | 74cad4bf370c8feaf82900bd18a962dfa6c8f0d11323fd13c728db8b3153533b |
| Manifest | e32151323f2c1e794ab5a24a4fe540c2df253549b736b68e572ce738a40a0037 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | 8h7aFxpxS2Gggm0/Q56W2I7A81+32EyiEGJBEGudzlKHqHMy9euajdk73wJFFDUVitbB2WjFyT2dlVbWBlSoDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-10-05T00:41:34.096563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056526observed 74cad4bf370c8feaf82900bd18a962df...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-05T00:41:34.044964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056526/manifest.jsonobserved e32151323f2c1e794ab5a24a4fe540c2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T00:41:33.961371Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056526/publication.mdobserved 0c5b69f870bf89558175ccf8ecc87b40...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T00:41:33.867043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056526/publication.txtobserved ab1513d0debbfefb06815094be93050c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:42:13.900512Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056526observed 74cad4bf370c8feaf82900bd18a962df...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:42:13.597034Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056526/manifest.jsonobserved e32151323f2c1e794ab5a24a4fe540c2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:42:13.250287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056526/publication.mdobserved 0c5b69f870bf89558175ccf8ecc87b40...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:42:12.741561Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056526/publication.txtobserved ab1513d0debbfefb06815094be93050c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|