OT-2026-000013996
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000013996) never changes.
Identity and time
| Publication number | OT-2026-000013996 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8dea-73df-afa4-d89e81cd2ffa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013996 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9ccc6b2ace9c1721108ce21c3dfd308308829588ed26acc61a50c300db67254c |
|---|---|
| Markdown | 16be3e14ad0477f76acdd27f15d9670876efcacf86792fd18d1b56aa9bf061f9 |
| Publication page | 2b798aaf3f4f6be934450e5156dbe599b6000b8cda039424b5a0ffac1c89df4c |
| Manifest | 11aaec11fdc5dd53f3e1357f8679e4002be5f82650470a1c795c0f2b45672399 |
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 | Bp/nL9jnhwXSr5HCmyW8v2EuNPnrxno/9A3B2X3avanVIJj/LFDc3MLMkBQGSPZ5Z/Z4wvpYQThiQpyds67HBg== |
| 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
| 2026-10-01T16:41:11.077094Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013996observed 2b798aaf3f4f6be934450e5156dbe599...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-01T16:41:11.000982Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013996/manifest.jsonobserved 11aaec11fdc5dd53f3e1357f8679e400...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T16:41:10.918847Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013996/publication.mdobserved 16be3e14ad0477f76acdd27f15d96708...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T16:41:10.843792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013996/publication.txtobserved 9ccc6b2ace9c1721108ce21c3dfd3083...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T16:41:15.886726Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013996observed 2b798aaf3f4f6be934450e5156dbe599...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T16:41:15.801711Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013996/manifest.jsonobserved 11aaec11fdc5dd53f3e1357f8679e400...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T16:41:15.748687Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013996/publication.mdobserved 16be3e14ad0477f76acdd27f15d96708...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T16:41:15.689660Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013996/publication.txtobserved 9ccc6b2ace9c1721108ce21c3dfd3083...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 |
|---|