OT-2026-000012838
Publication integrity record
Foam pad vacuum gripper, 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-2026-000012838) never changes.
Identity and time
| Publication number | OT-2026-000012838 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5563-71cf-8880-fc8f3e8f1f4d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:16.019734Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012838 |
| Status | PUBLIC |
Content hashes
| Canonical text | e353b51056f95b5f92ca306016718e1cef604c0699cf5bde81debe877196f262 |
|---|---|
| Markdown | a063961dfb28e6b9d68b3d362a7b83f5ec69900f52221c3b5f90e04896b67191 |
| Publication page | 747e7f557097541a1fe8fc15c561921aff4f6f474a353a09f64672b743a671aa |
| Manifest | 9cfc77767efd96df57d46c6c2a530bac26e7207c9a59bb6a34c62b95d6a626d6 |
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 | coOfeFWsIZisnWs1wxfsFnlMlSOaP9YdiJLrquvLxpYcS0p90yMZ5NNR7/QaOuSx1qp8Sl5/v8AfOIrW/pJPBg== |
| 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
| 2026-09-17T12:10:36.243124Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012838observed 747e7f557097541a1fe8fc15c561921a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:36.221948Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012838/manifest.jsonobserved 9cfc77767efd96df57d46c6c2a530bac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:36.201411Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012838/publication.mdobserved a063961dfb28e6b9d68b3d362a7b83f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:36.179681Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012838/publication.txtobserved e353b51056f95b5f92ca306016718e1c...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. |
|---|