OT-2026-000028171
Publication integrity record
Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000028171) never changes.
Identity and time
| Publication number | OT-2026-000028171 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-7261-bf2e-5880e7441e2d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028171 |
| Status | PUBLIC |
Content hashes
| Canonical text | 76590bb81ace7cfd245c6750db383ed0397bccbf2fc28edde1ead173d79ece54 |
|---|---|
| Markdown | d6a255f62a9cc24dcf0680831cf307a5e84c6ca70aeab2d36c5725ef1bded54c |
| Publication page | e947e6b92252873bbc8fb743d49f19ecc81a0c5e082216637b6edb098e52a723 |
| Manifest | db71aea0f029bbe1bdea76bae31ba7b6725e8a56c08a46870cc7ab072889ff6d |
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 | GGeMG+/0DbUJpL3FG8BlLhUA0fRA2JKL9tIqdcr2GkTMIZ0VsvIcxmIQbnTsaemKlfGp+Nt//FLZriT0y0jdDg== |
| 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
| 2026-09-17T11:42:31.680966Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028171observed e947e6b92252873bbc8fb743d49f19ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:31.661542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028171/manifest.jsonobserved db71aea0f029bbe1bdea76bae31ba7b6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:31.641791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028171/publication.mdobserved d6a255f62a9cc24dcf0680831cf307a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:31.621024Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028171/publication.txtobserved 76590bb81ace7cfd245c6750db383ed0...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|