OT-2026-000022770
Publication integrity record
Foam pad vacuum gripper, pump fed, sustained 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-2026-000022770) never changes.
Identity and time
| Publication number | OT-2026-000022770 · never reused |
|---|---|
| Internal UUID | 01a0ae70-46ea-7a44-b4eb-7c26a04c6f50 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:28.929798Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022770 |
| Status | PUBLIC |
Content hashes
| Canonical text | f1001175be42ffda5d514e98356ed35207b5af2d333729343acaf671761380e7 |
|---|---|
| Markdown | e0906aab637c94c458f453f6d961ed66c06a44f71687284c9c284bf7a065e7aa |
| Publication page | b6df15aa54dfd258619018d2c5e0f0ee581b3e7a2420dc3061516f42aa1f2b32 |
| Manifest | 450ab4524ce9770121d182b319c104ddf045acc961824137b562ec4f9a56996b |
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 | ohjvJoqwjZG2WbFdDlZqqcfzh0hrF9i9SqdBuhJ8X/ZZusZ9E5O9dwRzv/Lx+6Hs9FBfJO2qu9TSV0eaOX8sCA== |
| 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
| 2026-09-17T11:52:17.107597Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022770observed b6df15aa54dfd258619018d2c5e0f0ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:52:17.089549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022770/manifest.jsonobserved 450ab4524ce9770121d182b319c104dd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:17.070807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022770/publication.mdobserved e0906aab637c94c458f453f6d961ed66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:17.051688Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022770/publication.txtobserved f1001175be42ffda5d514e98356ed352...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. |
|---|