OT-2026-000072142
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000072142) never changes.
Identity and time
| Publication number | OT-2026-000072142 · never reused |
|---|---|
| Internal UUID | 01a0ae92-47c1-7da9-81b4-29c9f15dd551 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:37.365346Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072142 |
| Status | PUBLIC |
Content hashes
| Canonical text | 481185242873547d7cf63391bb8ae6afefdcf598d35f8200f475e49aa86ac086 |
|---|---|
| Markdown | f880e82e0e1bb30493d365a2e6e36e0e575004c0d618e4997983f63a155be69e |
| Publication page | 6d3f611d1b34b6a25c9ad96db531a3fd1728d4ad1ac730acf7731ce0b6e1b6c4 |
| Manifest | 94ffe81e1a3ea7b720b21d8ca9877b5a2f52e57282e2f6e1f4e3c30d4a485e39 |
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 | vK9jBv/1Gl3Un9TiAVI0i0yzNLszIh9QO6R/hg7JaxLyCJ05KDq6ZWffmvIrGVILszVBHFy+WXrrAFtCMWIZAA== |
| 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
| 2026-10-12T04:23:44.375944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072142observed 6d3f611d1b34b6a25c9ad96db531a3fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-12T04:23:44.361594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072142/manifest.jsonobserved 94ffe81e1a3ea7b720b21d8ca9877b5a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:23:44.335278Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072142/publication.mdobserved f880e82e0e1bb30493d365a2e6e36e0e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:23:44.278761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072142/publication.txtobserved 481185242873547d7cf63391bb8ae6af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:05.027074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072142observed 6d3f611d1b34b6a25c9ad96db531a3fd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:04.884475Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072142/manifest.jsonobserved 94ffe81e1a3ea7b720b21d8ca9877b5a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:04.795791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072142/publication.mdobserved f880e82e0e1bb30493d365a2e6e36e0e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:04.643745Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072142/publication.txtobserved 481185242873547d7cf63391bb8ae6af...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 |
|---|