OpenTechnical

OT-2026-000062367

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000062367) never changes.

Identity and time

Publication numberOT-2026-000062367 · never reused
Internal UUID01a0ae8c-0abf-7143-8223-c8dc165449dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062367
StatusPUBLIC

Content hashes

Canonical textf0be6f58bab98e7aa919b6ff63b634b3349497c71c2560f7eb3468da8e81a4b0
Markdown9e8658be35d3585cb17763fc39a6d3bab80ec28f4cd4c3c95c44b0dbf5a4ac19
PDF
Publication page5255148b1adc2791d03b666627040a17963e5340a518b0dd99339faef4f8c619
Manifest3a51a7cb94aad439c5edba6e145d10fbaa35db791631f4976fbccbe7c9a7c4a6

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature4mVt0ZUBiEsZhCJ9qtriDe6N5zh8yPRKBHJZ5q+HYClXZX9Scu7W3jI9vtonN9p3+cAmX9kwONEJHZlAuaSTAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:41.068534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062367
observed 5255148b1adc2791d03b666627040a17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:41.048924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062367/manifest.json
observed 3a51a7cb94aad439c5edba6e145d10fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:41.030994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062367/publication.md
observed 9e8658be35d3585cb17763fc39a6d3ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:41.012820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062367/publication.txt
observed f0be6f58bab98e7aa919b6ff63b634b3...
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 archivePending 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

Custody packagePending Custody packages are produced weekly.