OpenTechnical

OT-2026-000049359

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000049359) never changes.

Identity and time

Publication numberOT-2026-000049359 · never reused
Internal UUID01a0ae81-8f7b-7942-aedc-4735ac705c6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049359
StatusPUBLIC

Content hashes

Canonical textec615ef3fd499fde0c2a38a01d1bb56e827075fd1b73565ef2d8483a1465cce8
Markdown3add3eec4baaaf153c28bdd58962d0ff396dbbb13528c4cacfbd9d8e98eaa167
PDF
Publication pagedef7faf4ef96d9bb5b870a02a50f00fc5090948d571b047c6e62073c61b698cc
Manifest1241be5776e2be2ab2f1c9d0ae32e3506d078324378717acfdf44a5cb364b40a

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
SignatureK31iHUDJaEnkE9fTKY/acWwVMkUyB5Udzg3DAqDCQjhHgiF1Ntg6gRhDniQ9Dc1gyFzbKvFHPlb+IsLDdq0zBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:02:09.207085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049359
observed def7faf4ef96d9bb5b870a02a50f00fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:09.188523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049359/manifest.json
observed 1241be5776e2be2ab2f1c9d0ae32e350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:09.170536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049359/publication.md
observed 3add3eec4baaaf153c28bdd58962d0ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:09.151950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049359/publication.txt
observed ec615ef3fd499fde0c2a38a01d1bb56e...
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.