OT-2026-000077098
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000077098) never changes.
Identity and time
| Publication number | OT-2026-000077098 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f507-7675-bf07-7acd1039578f · 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-2026-000077098 |
| Status | PUBLIC |
Content hashes
| Canonical text | 406b1874bcca67d8feb293574d35d3ce7b7d1be39f1daf8ec751168149e5decc |
|---|---|
| Markdown | 46446bc8329c8922c7c36ba309c1a38927cdef79606ac27a005bb723b497116d |
| Publication page | 980841706484986548d1306b847a2b7b0fbed32bf62483276cee181efaadbb9f |
| Manifest | d7e0225596c336ea05e5ade94a1105ddf825434e507ba64df324ae5feca92d74 |
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 | 8cauLkgRJ8dNnXxql8kxGg5LuUFtXDbVslXNgpEIMkQwPCZqxu9+K/SNFEYsm9Q+xphtiTQJ/SX0d5TYJ9nHCg== |
| 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... |
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Independent retrieval
| 2026-11-04T00:41:46.260027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077098observed 980841706484986548d1306b847a2b7b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-04T00:41:46.207205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077098/manifest.jsonobserved d7e0225596c336ea05e5ade94a1105dd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T00:41:46.159706Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077098/publication.mdobserved 46446bc8329c8922c7c36ba309c1a389...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-04T00:41:46.045860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077098/publication.txtobserved 406b1874bcca67d8feb293574d35d3ce...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:41:47.451067Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077098observed 980841706484986548d1306b847a2b7b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:41:47.381607Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077098/manifest.jsonobserved d7e0225596c336ea05e5ade94a1105dd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:41:47.299921Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077098/publication.mdobserved 46446bc8329c8922c7c36ba309c1a389...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:41:47.139818Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077098/publication.txtobserved 406b1874bcca67d8feb293574d35d3ce...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 |
|---|