OpenTechnical

OT-2026-000100688

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000100688) never changes.

Identity and time

Publication numberOT-2026-000100688 · never reused
Internal UUID01a0aea3-66f3-7092-aec2-d5e901d5a02a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100688
StatusPUBLIC

Content hashes

Canonical text0c6bb5ae60a272a774a58a354647a8371451e71b6e975d7cac57a77b37ae3fc8
Markdown20b6899f818211c196f509ae0562745594f819a08a398e0edbbdb96a056f149b
PDF
Publication page09b2edf96eb108a35fdec45fd5efdcf29f3c4773bd52b2d9e688b8990ffad6a8
Manifestf38d773577838f66a239f73a67c9ec799ac6a8f9b0d93fced0a472315a148feb

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
SignatureCGnONWa8EAY+tsZ8Oi8rhVkLk8VJazt7ZaSeuaY/z8D/SkGZzTgSd+0MI4HMzPTyg0JqzGNA+0/RDukgr6tgCw==
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

2026-09-17T09:27:30.205821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100688
observed 09b2edf96eb108a35fdec45fd5efdcf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:30.190346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100688/manifest.json
observed f38d773577838f66a239f73a67c9ec79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:30.172240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100688/publication.md
observed 20b6899f818211c196f509ae05627455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:30.156125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100688/publication.txt
observed 0c6bb5ae60a272a774a58a354647a837...
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.