OT-2026-000003897
Publication integrity record
Bellows cup vacuum gripper, per zone isolation, four outlet manifold, pump fed
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-2026-000003897) never changes.
Identity and time
| Publication number | OT-2026-000003897 · never reused |
|---|---|
| Internal UUID | 01a0a90b-64cc-73af-a8ec-3aa48a929668 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:11.343726Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003897 |
| Status | PUBLIC |
Content hashes
| Canonical text | f0cab9669205e10fb5a8a360ef0164b61196234f79e48ec815d7299bf1d130af |
|---|---|
| Markdown | de68ba917f1cc02e06365f815ce9bf5e217e77da449513b3550a6271dddc9dd6 |
| Publication page | 7784d665ef1664a022620ea1faf8660fe78f9d6d41512947d762c621b39ee4fa |
| Manifest | 41967da1c92eaab982fece91a553bff19ae1b747a35e97d7aa761163bb9396ec |
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 | 1K3P39xdXzJtVhmCU9QXrbjwxoOFLPEcvTe3bsSR6mIbakieIjoDyskBM+1tgLABZaw7ULy9qjVd25Sxfs5lBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:10:13.616896Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003897observed 7784d665ef1664a022620ea1faf8660f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:13.603737Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003897/manifest.jsonobserved 41967da1c92eaab982fece91a553bff1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:13.587555Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003897/publication.mdobserved de68ba917f1cc02e06365f815ce9bf5e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:13.570478Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003897/publication.txtobserved f0cab9669205e10fb5a8a360ef0164b6...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. |
|---|