OT-2026-000081824
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000081824) never changes.
Identity and time
| Publication number | OT-2026-000081824 · never reused |
|---|---|
| Internal UUID | 01a0ae97-0f75-7890-b7aa-377a30244856 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:50.648824Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000081824 |
| Status | PUBLIC |
Content hashes
| Canonical text | ffdc5528495467fc0bd329c0cc83006a86e40fc5e1fa3defdd9eb6a1635a1a53 |
|---|---|
| Markdown | 1eb8b6dfaa1d5e739645e1e8629df05f811015a6dec0c4451be30003d3f36bc4 |
| Publication page | 3f7f8df087a676a06fe432794b67e739ec97f3a8f7d741cfd64cf9c799739f57 |
| Manifest | c497238816297c444d5b2ca537435ed1da4d412606ab5097c347d685576241e2 |
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 | Y8vttdFHu3WaOInecX+k9NJz2N7AxoHmZCCXDXfBybhcKgxhOgmzL9MxtA1EihrCTYlIW8z96ZsZT4dtgYl+AA== |
| 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
| 2026-09-20T12:43:41.584189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081824observed 3f7f8df087a676a06fe432794b67e739...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-20T12:43:41.411380Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081824/manifest.jsonobserved c497238816297c444d5b2ca537435ed1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:43:41.197381Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081824/publication.mdobserved 1eb8b6dfaa1d5e739645e1e8629df05f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:43:40.860485Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081824/publication.txtobserved ffdc5528495467fc0bd329c0cc83006a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:59:55.899998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081824observed 3f7f8df087a676a06fe432794b67e739...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:59:55.882501Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081824/manifest.jsonobserved c497238816297c444d5b2ca537435ed1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:59:55.865162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081824/publication.mdobserved 1eb8b6dfaa1d5e739645e1e8629df05f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:59:55.847180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081824/publication.txtobserved ffdc5528495467fc0bd329c0cc83006a...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 |
|---|