OT-2026-000077106
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000077106) never changes.
Identity and time
| Publication number | OT-2026-000077106 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f507-7da9-a59c-5326e5ace60e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077106 |
| Status | PUBLIC |
Content hashes
| Canonical text | a990a2492403cebca7ef664df21442ce37dee23ec54e570e212f6f6540197104 |
|---|---|
| Markdown | 3135eb8e0d82678afac5fd2c30e5f527a3439db4d8845cbee2807bad5f23697a |
| Publication page | cadd57bc43c7add1b69bef8bee92645e1fba3c9b69c3a8f1e808d93e4fcc3448 |
| Manifest | ff88a5e8cdd18d665542b488388b846bba479c2ad04480aebf7bd1df4bd069b8 |
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 | wVLJJ1BBah4vPl/e0UzknmkiZbSIPSmQMPjNaATb57PC1OJGHoQrCO47fnp6QZEQu1FEnRgavCaBNUH1yIcqAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-22T20:41:18.753407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077106observed cadd57bc43c7add1b69bef8bee92645e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T20:41:18.675459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077106/manifest.jsonobserved ff88a5e8cdd18d665542b488388b846b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T20:41:18.557868Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077106/publication.mdobserved 3135eb8e0d82678afac5fd2c30e5f527...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T20:41:18.433022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077106/publication.txtobserved a990a2492403cebca7ef664df21442ce...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:23:19.127336Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077106observed cadd57bc43c7add1b69bef8bee92645e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:23:19.088320Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077106/manifest.jsonobserved ff88a5e8cdd18d665542b488388b846b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:23:19.072165Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077106/publication.mdobserved 3135eb8e0d82678afac5fd2c30e5f527...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:23:19.022490Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077106/publication.txtobserved a990a2492403cebca7ef664df21442ce...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|