OpenTechnical

OT-2026-000104494

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pulsed blow-off after set-down

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-2026-000104494) never changes.

Identity and time

Publication numberOT-2026-000104494 · never reused
Internal UUID01a0aea5-3422-7a12-97e5-46af38e4e037 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104494
StatusPUBLIC

Content hashes

Canonical textf80a8d0c17de4565210e2b94ebeb3eaa387853ae456d1e09c871f29dfa0ab44d
Markdown1fbe82f463c4cb62d08af6823c81efd07c6900182199f8927d60db92927f47cc
PDF
Publication page1515145c36aaff24caecfd383a0ed4cd13bd4f3c5b4000c4ee0116d13ccf9ae6
Manifest7acda7e9564f61e7eae34023e25d9abe07d0720ed270d2431c101cf7167afba3

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
SignatureF4GyYUNgrrGuy3eSqvfrmTa0eBi/+T38gHxpHr1AAWUtbMN1Z36afQ9ZtLc1lEBb8qa+89dhGEsI9wJgaV7iDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:47.149586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104494
observed 1515145c36aaff24caecfd383a0ed4cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:47.131865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104494/manifest.json
observed 7acda7e9564f61e7eae34023e25d9abe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:47.115374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104494/publication.md
observed 1fbe82f463c4cb62d08af6823c81efd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:47.097983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104494/publication.txt
observed f80a8d0c17de4565210e2b94ebeb3eaa...
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.