OT-2026-000082272
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000082272) never changes.
Identity and time
| Publication number | OT-2026-000082272 · never reused |
|---|---|
| Internal UUID | 01a0ae97-4d94-72f3-b51e-17474fa21c54 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:59:06.536388Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000082272 |
| Status | PUBLIC |
Content hashes
| Canonical text | d98c71b7bcc1f0e96d18e4f5c7cb2e5fd099e67c479e827d247cc152f34b6f77 |
|---|---|
| Markdown | b5d40b0b3ee7c72db922ca0fb9b67ff34e4ffe3696f6f30f9bad22d77de06eba |
| Publication page | b0e3fd619e2e566795e67e95756351b77191e4d774b37f6c9afe6e8f5bbf6808 |
| Manifest | 8d7c5c5224004447fbf5d93d418ee10b334393eebcaee983c2e1b60b90cc2764 |
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 | Snpz/5HGpEAa1oYkAOc0vaVQQFPNEt7I6EGS02z86c6Bvosew3et9WZXcnDD2MGwd2AcX/NCjVNbekDfdmoCDw== |
| 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
| 2026-10-15T08:42:06.753525Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000082272observed b0e3fd619e2e566795e67e95756351b7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-15T08:42:06.703042Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000082272/manifest.jsonobserved 8d7c5c5224004447fbf5d93d418ee10b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T08:42:06.643023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000082272/publication.mdobserved b5d40b0b3ee7c72db922ca0fb9b67ff3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T08:42:06.555683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000082272/publication.txtobserved d98c71b7bcc1f0e96d18e4f5c7cb2e5f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:30.961754Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000082272observed b0e3fd619e2e566795e67e95756351b7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:30.892797Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000082272/manifest.jsonobserved 8d7c5c5224004447fbf5d93d418ee10b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:30.813927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000082272/publication.mdobserved b5d40b0b3ee7c72db922ca0fb9b67ff3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T08:41:30.728019Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000082272/publication.txtobserved d98c71b7bcc1f0e96d18e4f5c7cb2e5f...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 |
|---|