OT-2026-000048345
Publication integrity record
Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000048345) never changes.
Identity and time
| Publication number | OT-2026-000048345 · never reused |
|---|---|
| Internal UUID | 01a0ae80-4de4-7535-9cd7-02f0bc3185e9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:33:59.290761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048345 |
| Status | PUBLIC |
Content hashes
| Canonical text | dba62035e4ed0572cb8ef5cbc97b8fcbb8cefe6a1caa4cf3725ad8b37c4a2b9d |
|---|---|
| Markdown | c6a7915878a80958f5c9f7db766a3e9ed78f6964784e3f1a950e3271be17aefb |
| Publication page | aa4a7591675fab4287c0b55f556825bc6d658dd37e1ab36e443efd4c3f4969b4 |
| Manifest | 4dd699a0ab17e672b2f5183ec564beb3bc18073e119960b21a4525c113c343f2 |
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 | q7BGBOsHiP0W1DgA38NEXc0/fvaa+bVsZsKct8XVS7LNDadDcZAQUqqPUHmvZ0qSdcb98qCNbElqoV6EBXx3Cg== |
| 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
| 2026-09-30T08:41:44.745518Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048345observed aa4a7591675fab4287c0b55f556825bc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-30T08:41:44.661334Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048345/manifest.jsonobserved 4dd699a0ab17e672b2f5183ec564beb3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T08:41:44.587338Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048345/publication.mdobserved c6a7915878a80958f5c9f7db766a3e9e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T08:41:44.460745Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048345/publication.txtobserved dba62035e4ed0572cb8ef5cbc97b8fcb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:40.604735Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048345observed aa4a7591675fab4287c0b55f556825bc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:40.538604Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048345/manifest.jsonobserved 4dd699a0ab17e672b2f5183ec564beb3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:40.473293Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048345/publication.mdobserved c6a7915878a80958f5c9f7db766a3e9e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:40.328173Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048345/publication.txtobserved dba62035e4ed0572cb8ef5cbc97b8fcb...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|