OT-2026-000044387
Publication integrity record
Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold 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-2026-000044387) never changes.
Identity and time
| Publication number | OT-2026-000044387 · never reused |
|---|---|
| Internal UUID | 01a0ae7c-39d7-7134-ae54-f11e638aa92a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:29:32.012327Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000044387 |
| Status | PUBLIC |
Content hashes
| Canonical text | fd81f68dc2add199ef1dd32c32395e9b5ebcd0eac40bb35fa0e1e26a587e4367 |
|---|---|
| Markdown | 7abaf32d5ce923fe335297253f6ad1de137ffd27e54a764649be4cfc034ea694 |
| Publication page | 0d9c31fbf224e9cf616c48fc010ae08f8516016c52578af1784ac656a2c5983e |
| Manifest | 4042b5f098d2297c4176eb3c9f982b7195d64541aec14ab52a273efdbdb6837f |
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 | qqmAVip9NyiVYPPu6UCMUHrj1UEZqDsC4T8iBkjWQFGbxmHS/IgsYbo4oboQCIwvhs0W76YFQ6OYp0c9wwRPCg== |
| 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
| 2026-11-02T08:41:13.916086Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044387observed 0d9c31fbf224e9cf616c48fc010ae08f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-02T08:41:13.868923Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044387/manifest.jsonobserved 4042b5f098d2297c4176eb3c9f982b71...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T08:41:13.820093Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044387/publication.mdobserved 7abaf32d5ce923fe335297253f6ad1de...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T08:41:13.762831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044387/publication.txtobserved fd81f68dc2add199ef1dd32c32395e9b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T04:41:36.110811Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044387observed 0d9c31fbf224e9cf616c48fc010ae08f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T04:41:36.056099Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044387/manifest.jsonobserved 4042b5f098d2297c4176eb3c9f982b71...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T04:41:35.976171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044387/publication.mdobserved 7abaf32d5ce923fe335297253f6ad1de...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T04:41:35.908212Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044387/publication.txtobserved fd81f68dc2add199ef1dd32c32395e9b...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 |
|---|