OpenTechnical

OT-2026-000014547

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000014547) never changes.

Identity and time

Publication numberOT-2026-000014547 · never reused
Internal UUID01a0ae6d-b27b-7544-8497-58216e0ff8ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014547
StatusPUBLIC

Content hashes

Canonical textf5699c4f12a0390634fca5a1dead0a3b0db03eb2d9e623c81d677079b25d9e7b
Markdown3c6ce09f3d75495493eeed101d71ae49d8492c6d4fb4f495447e01c8cb7ed6cf
PDF
Publication page12576e8fdd97b0cda9c15c15b8b444b54767f7d152e9cc9c8f0c0a063dfc7b13
Manifestb6156d3bb85eafda27ec9baa29df9b70ccca3ea092d1bb2fb79e6e85a5d4d15b

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
Signature2oqrSUK4iiKruFYyavGA8MAf5jtgFYBikcVRUOT6QQBYRObfbqOuna1fGg3nU/WWO7RQ5kOtTIofhCi7IEoBCA==
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

2026-09-17T12:10:23.864238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014547
observed 12576e8fdd97b0cda9c15c15b8b444b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.838202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014547/manifest.json
observed b6156d3bb85eafda27ec9baa29df9b70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.815691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014547/publication.md
observed 3c6ce09f3d75495493eeed101d71ae49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.797258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014547/publication.txt
observed f5699c4f12a0390634fca5a1dead0a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:26.940383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014547
observed 12576e8fdd97b0cda9c15c15b8b444b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:26.921382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014547/manifest.json
observed b6156d3bb85eafda27ec9baa29df9b70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:26.896537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014547/publication.md
observed 3c6ce09f3d75495493eeed101d71ae49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:26.871107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014547/publication.txt
observed f5699c4f12a0390634fca5a1dead0a3b...
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.