OT-2026-000048015
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum 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-2026-000048015) never changes.
Identity and time
| Publication number | OT-2026-000048015 · never reused |
|---|---|
| Internal UUID | 01a0ae7f-c423-7744-8905-c85562a620e1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:33:24.028554Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048015 |
| Status | PUBLIC |
Content hashes
| Canonical text | c4fbd4e6f4947c65d10d25f8e8b6af18a6434e2503ab1d96035a8ac3e2c55430 |
|---|---|
| Markdown | 7cab74fbbb90f246e2080919ca0669b241acd0b93e9d867dc05e9f0e75ceca41 |
| Publication page | bb40119034725610de047a26f758ba8cb8be9834c57e3922a62745752be57c36 |
| Manifest | 7100732aa4be0017166f516570d58c83e742d697492711e076bb7189cb107c9c |
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 | pAJBg90prv7S4rs+/FOUWeFtjr75f3jCACAyF1yyqs88jb6L6+yHF6QMmsXZG2oyGWPnCWlb2TNrIxoqM3IKBg== |
| 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
| 2026-09-17T11:06:00.509853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048015observed bb40119034725610de047a26f758ba8c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:06:00.489806Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048015/manifest.jsonobserved 7100732aa4be0017166f516570d58c83...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:06:00.469962Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048015/publication.mdobserved 7cab74fbbb90f246e2080919ca0669b2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:06:00.450698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048015/publication.txtobserved c4fbd4e6f4947c65d10d25f8e8b6af18...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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