OT-2026-000057636
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000057636) never changes.
Identity and time
| Publication number | OT-2026-000057636 · never reused |
|---|---|
| Internal UUID | 01a0ae88-2694-7a0f-9bf8-1b35a137e07b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:33.513637Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057636 |
| Status | PUBLIC |
Content hashes
| Canonical text | ced410cf2aba1496a879d4895606d3c9ffbadc57e60489384505f235fa494984 |
|---|---|
| Markdown | b6e115edadf7d2fda494b82571d72ab97e913c29e534eda00808ad60b5adcf0f |
| Publication page | d3fcf9b0f17a06bfdeb0aa534c4b6d1a803b936ed5de93405123de405a09d10b |
| Manifest | 016131bc1c039c1aa169a40225f0d2fca255930eb7c4ae08fe5ba2582f08a765 |
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 | hIKLP3zVOz9Z9JO7LAxi9ZSnlHXigQI3ral6APV+76ytuLH5WJxEgV8XgfXfW53Q9W4dHvwphobjNEgnhdXNDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-10-31T20:41:26.649301Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057636observed d3fcf9b0f17a06bfdeb0aa534c4b6d1a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T20:41:26.587824Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057636/manifest.jsonobserved 016131bc1c039c1aa169a40225f0d2fc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T20:41:26.538882Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057636/publication.mdobserved b6e115edadf7d2fda494b82571d72ab9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T20:41:26.410489Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057636/publication.txtobserved ced410cf2aba1496a879d4895606d3c9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T08:42:00.248410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057636observed d3fcf9b0f17a06bfdeb0aa534c4b6d1a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T08:42:00.168232Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057636/manifest.jsonobserved 016131bc1c039c1aa169a40225f0d2fc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T08:42:00.092395Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057636/publication.mdobserved b6e115edadf7d2fda494b82571d72ab9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T08:41:59.933829Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057636/publication.txtobserved ced410cf2aba1496a879d4895606d3c9...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 |
|---|