OT-2026-000019871
Publication integrity record
Foam pad vacuum gripper, three zone face, pump 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-2026-000019871) never changes.
Identity and time
| Publication number | OT-2026-000019871 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb6-7eea-a122-7036b02af273 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019871 |
| Status | PUBLIC |
Content hashes
| Canonical text | 56587d35d1f33031b91392e26ba147e2aaecb0977a406efc74a01b0b884b8341 |
|---|---|
| Markdown | 3b57d49e5f83bcd26244c5609ca6dbf156e83999c6f41274037a0fdfba3e7e03 |
| Publication page | 1c4f5bf867fe423e0137b04876731c0eee711f7f705d9e4bb29c8941555550c2 |
| Manifest | 2ed1993b189afcccff0228bd57f6067add95abb00545caeb811eefc3be777373 |
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 | QbZGFMruCB2OedSDDbwUqgOH1nbH7mXAYGn9OWoF7tGlR+dnbB63GOf2YD9Vn5F41asUocMuneN7jfR6bMszAQ== |
| 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
| 2026-09-17T11:58:04.357764Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019871observed 1c4f5bf867fe423e0137b04876731c0e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:04.336802Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019871/manifest.jsonobserved 2ed1993b189afcccff0228bd57f6067a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:04.317614Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019871/publication.mdobserved 3b57d49e5f83bcd26244c5609ca6dbf1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:04.299249Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019871/publication.txtobserved 56587d35d1f33031b91392e26ba147e2...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. |
|---|