OT-2026-000028311
Publication integrity record
Foam pad vacuum gripper, three zone face, per zone isolation, single 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-2026-000028311) never changes.
Identity and time
| Publication number | OT-2026-000028311 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-771d-8551-40c83a22a3aa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028311 |
| Status | PUBLIC |
Content hashes
| Canonical text | fc956e49601468d451fa6b520aba1c03fd46cffa88d1cd179cc5cc0bf598295a |
|---|---|
| Markdown | 448239acd22a2271d38d64bbb22414c09edebd38dc9cd0a33d2e635daf755004 |
| Publication page | bec0e56b63d875351074d791157fcef0c104011575ec076ddc83a46c65cff543 |
| Manifest | 89a27ddb47cabd60e05db2ace20feb032151e1c36d7efcb83e2113a3884f4570 |
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 | 3gGUF7+b4zXfREcNNi0CGjtWwKUesJdfxhSFzE82BCBNkpAGWUGz2FdRwV3OShr9E3q0RY8m3aKFxXQS6mwtAg== |
| 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
| 2026-09-17T11:40:18.455682Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028311observed bec0e56b63d875351074d791157fcef0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:18.436265Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028311/manifest.jsonobserved 89a27ddb47cabd60e05db2ace20feb03...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:18.418421Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028311/publication.mdobserved 448239acd22a2271d38d64bbb22414c0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:18.397015Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028311/publication.txtobserved fc956e49601468d451fa6b520aba1c03...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. |
|---|