OT-2026-000029519
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000029519) never changes.
Identity and time
| Publication number | OT-2026-000029519 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e21-7ccd-bdd1-6156382b1585 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:51.545382Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029519 |
| Status | PUBLIC |
Content hashes
| Canonical text | cd234342293b5f3423e67ba6813b0e51ce95069c1f74e440f166d1534a48bdc0 |
|---|---|
| Markdown | 5437dfb55391d335483cd3c014e23d1391ea77e5e688e45a6775730609f30b19 |
| Publication page | 41ba77561b241dc3f7045e1c1478b85b8b576ad7b0a79a80c2409a632190bd3a |
| Manifest | 2b9e95e6dae63cac713b092c6a3e673e018b52bb0c526c96a8692a71a184725d |
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 | 1uBFDps5LXRUIlY5YlBKJ16w2Q5AxN1PoUxa60EIlnsQQhQAIs5nmk0rYvcirULlnrQgzj/mJ/AtwiyOyRk7Dw== |
| 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
| 2026-09-17T11:39:09.925510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029519observed 41ba77561b241dc3f7045e1c1478b85b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:09.907781Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029519/manifest.jsonobserved 2b9e95e6dae63cac713b092c6a3e673e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:09.891073Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029519/publication.mdobserved 5437dfb55391d335483cd3c014e23d13...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:09.873795Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029519/publication.txtobserved cd234342293b5f3423e67ba6813b0e51...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. |
|---|