OT-2026-000048643
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000048643) never changes.
Identity and time
| Publication number | OT-2026-000048643 · never reused |
|---|---|
| Internal UUID | 01a0ae80-c32a-752a-8698-6d00aa81131d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:34:29.321882Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048643 |
| Status | PUBLIC |
Content hashes
| Canonical text | f864fe5a5c9ab77189fdb6397e05138173635bcf1cdd7e1e3e5eef9b4742b2cf |
|---|---|
| Markdown | 18b7315ad09310096382e8f8d69474283b56d9fc967ca9bc9f4a3c81024b721e |
| Publication page | 6cb35621cfdce5fac9d126a2515a686d35f66551890c83005cd16eea3f827902 |
| Manifest | a02e819d5188b0751b2a25b461e4566ac2a5203a8c0bf2bdf4b306f8ecc74f20 |
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 | OWRfcUvovE8UdSco5TlTpkZtMZZLpj8r7CIfYnKBOE19LBHB2dRpNzoRFpUuZ5FaFmZWHrWmMEgOd+E+WGQtCA== |
| 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
| 2026-09-17T11:04:15.216945Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048643observed 6cb35621cfdce5fac9d126a2515a686d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:04:15.196622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048643/manifest.jsonobserved a02e819d5188b0751b2a25b461e4566a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:15.177746Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048643/publication.mdobserved 18b7315ad09310096382e8f8d6947428...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:15.159902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048643/publication.txtobserved f864fe5a5c9ab77189fdb6397e051381...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. |
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