OT-2026-000015580
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, pulsed blow-off 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-2026-000015580) never changes.
Identity and time
| Publication number | OT-2026-000015580 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef4b-785c-9d60-b1432e10bf7a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015580 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0ef59ab8c8cb89b68da0bf80039c3da7a99128c4cf05051d1596a66b78e818ba |
|---|---|
| Markdown | f9606ff94b4ce678240946756abfd94cae2407ffafb1e50b32924869ca9edf98 |
| Publication page | ae31a4b90b540073bcadd30cee32b012e4d2f5d60971ce0c3901a6862dc817f7 |
| Manifest | 98aaa37c6d57cd196f4eb2b0441a3f7d02bf6bb2b5c5837448f880c29b1d39f4 |
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 | QEH47ll4CigVaBQXnEtldeufVSeC69+NHZJU7nRUhGIBgZSqiwtkbxD+sli5N76f31Q+95Xvx/H5bXBvZd5kAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
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Independent retrieval
| 2026-10-09T16:42:02.436140Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015580observed ae31a4b90b540073bcadd30cee32b012...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-09T16:42:02.352295Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015580/manifest.jsonobserved 98aaa37c6d57cd196f4eb2b0441a3f7d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T16:42:02.272135Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015580/publication.mdobserved f9606ff94b4ce678240946756abfd94c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T16:42:02.195761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015580/publication.txtobserved 0ef59ab8c8cb89b68da0bf80039c3da7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:41:44.569610Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015580observed ae31a4b90b540073bcadd30cee32b012...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:41:44.491092Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015580/manifest.jsonobserved 98aaa37c6d57cd196f4eb2b0441a3f7d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:41:44.411008Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015580/publication.mdobserved f9606ff94b4ce678240946756abfd94c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:41:44.274433Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015580/publication.txtobserved 0ef59ab8c8cb89b68da0bf80039c3da7...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 |
|---|