OT-2026-000036643
Publication integrity record
Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000036643) never changes.
Identity and time
| Publication number | OT-2026-000036643 · never reused |
|---|---|
| Internal UUID | 01a0ae77-46e8-70ee-b7a4-44ebe42c2236 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:24:07.671965Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000036643 |
| Status | PUBLIC |
Content hashes
| Canonical text | 42717622025aac1c3814dc25e51c3538608928c25ff23e570f8ce98063009a1d |
|---|---|
| Markdown | ce53ec75dcad5f25d3ba07ecc3db2733e9396a628f92563bd14559d2dea12ece |
| Publication page | 4ba2f562f024d5989f97090a3906333e3f0f05782c8a881885460d62d78cbebb |
| Manifest | 6a2443b3d6eafedd097c2ec47960ecc2091eaae3805a7a22c6be3c593769b948 |
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 | gZ0Fgh1358tIDr4QEVZsU3UMftf5zrPqnTR1cPeRjytLLGZVjxrJ8WGln5haie3gf1JN8ASMYBqSoForEq2RCw== |
| 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... |
|---|
Independent retrieval
| 2026-11-01T04:41:24.151896Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000036643observed 4ba2f562f024d5989f97090a3906333e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T04:41:24.103277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000036643/manifest.jsonobserved 6a2443b3d6eafedd097c2ec47960ecc2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T04:41:24.053818Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000036643/publication.mdobserved ce53ec75dcad5f25d3ba07ecc3db2733...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T04:41:23.998890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000036643/publication.txtobserved 42717622025aac1c3814dc25e51c3538...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T08:41:18.735674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000036643observed 4ba2f562f024d5989f97090a3906333e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T08:41:18.663680Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000036643/manifest.jsonobserved 6a2443b3d6eafedd097c2ec47960ecc2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T08:41:18.608499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000036643/publication.mdobserved ce53ec75dcad5f25d3ba07ecc3db2733...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T08:41:18.499470Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000036643/publication.txtobserved 42717622025aac1c3814dc25e51c3538...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 |
|---|