OT-2026-000081005
Publication integrity record
Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, sustained 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-2026-000081005) never changes.
Identity and time
| Publication number | OT-2026-000081005 · never reused |
|---|---|
| Internal UUID | 01a0ae96-b976-7ba4-b0a7-9f9e15f33c4f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:28.739380Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000081005 |
| Status | PUBLIC |
Content hashes
| Canonical text | a71a3e7c9abfc3ee37e0bf5bb5828df679195b1f5c6478a56024949a0bae2a79 |
|---|---|
| Markdown | 957e09d7f27d15e3ff9d8bf0fec92ca444b5e5a05565140bde73d1ea232a8b55 |
| Publication page | 49ba359eb274b6f2ae18bc276d75e29f0ec2371337ebe85eb98093899a12fc23 |
| Manifest | 92264b9eb3faf4bc344ac6cd25d2f409e12344bb570f0adc912fa0ad818afe8f |
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 | DTOvJPb+2J/SK8iGQkJ8kLtQxYjXorYdepyd/DVYW20P+hcuGVXuqeyWlT9NU8/6e1tyca0BNoM5ChcJxfYABA== |
| 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
| 2026-10-31T08:42:03.246235Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081005observed 49ba359eb274b6f2ae18bc276d75e29f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T08:42:03.175495Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081005/manifest.jsonobserved 92264b9eb3faf4bc344ac6cd25d2f409...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T08:42:03.104152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081005/publication.mdobserved 957e09d7f27d15e3ff9d8bf0fec92ca4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T08:42:03.028639Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081005/publication.txtobserved a71a3e7c9abfc3ee37e0bf5bb5828df6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T16:41:53.646306Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081005observed 49ba359eb274b6f2ae18bc276d75e29f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T16:41:53.596076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081005/manifest.jsonobserved 92264b9eb3faf4bc344ac6cd25d2f409...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T16:41:53.544675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081005/publication.mdobserved 957e09d7f27d15e3ff9d8bf0fec92ca4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T16:41:53.482116Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081005/publication.txtobserved a71a3e7c9abfc3ee37e0bf5bb5828df6...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 |
|---|