OT-2026-000081248
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000081248) never changes.
Identity and time
| Publication number | OT-2026-000081248 · never reused |
|---|---|
| Internal UUID | 01a0ae96-f374-75c3-9240-93564d420c9e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:43.461344Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000081248 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3ceedc96d9686e7030611698e584ea11dfb7699878c4c4cf6b329163c5761535 |
|---|---|
| Markdown | 19df00e129402fdbc169a6084f1e643992df61be902df895e9a547d2c14229f9 |
| Publication page | c0ffc0a86707d941f0d5e63d9e562d4d625414a33118b344a40beb6e11d45852 |
| Manifest | d4a21e38a3c47b41ae0110c094073d9b0ab400ecc3aa5834980ffb478a911051 |
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 | 4bmv0BL7zhlSHQSvAxEVweQgkmaVtIgPGjazAfUs0qSl6n+FdHESlj3ymw2rPCXvJjR1Ueuz6O4r5UibtyhGCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-31T16:42:03.203035Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081248observed c0ffc0a86707d941f0d5e63d9e562d4d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T16:42:03.124822Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081248/manifest.jsonobserved d4a21e38a3c47b41ae0110c094073d9b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T16:42:03.045862Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081248/publication.mdobserved 19df00e129402fdbc169a6084f1e6439...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T16:42:02.985875Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081248/publication.txtobserved 3ceedc96d9686e7030611698e584ea11...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:23:03.971089Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081248observed c0ffc0a86707d941f0d5e63d9e562d4d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:23:03.943041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081248/manifest.jsonobserved d4a21e38a3c47b41ae0110c094073d9b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:23:03.924423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081248/publication.mdobserved 19df00e129402fdbc169a6084f1e6439...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:23:03.756883Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081248/publication.txtobserved 3ceedc96d9686e7030611698e584ea11...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
| 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 |
|---|