OpenTechnical

OT-2026-000020694

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single 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-2026-000020694) never changes.

Identity and time

Publication numberOT-2026-000020694 · never reused
Internal UUID01a0ae6f-65e2-72e5-a3f5-e76af7eb72da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020694
StatusPUBLIC

Content hashes

Canonical text2e13af73dac3b75dfa7e81576699973e7330166de3e379461f71af335d486b7a
Markdown59bbb4c81c0421745c418badb1470be2f3af66fe07c83ba0f94ca5b59996344a
PDF
Publication pageb96950e48e99782fd420aa8d7eefaf8ce8475d8e12d4a4242aec3567e9e69766
Manifest38a5d5a8d50bc1b447c8d3ba2824a6a58086c2288f277e0da95e78c0e905331e

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
Signature7Rvm+R6QNfRUaakX4EzKJHT0FpUDaVjap6NkI5Z4UYNpUb7kiO9o2DRmildzqNpzZZcjPPiVF7efEvCZMtbNCw==
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

2026-09-17T11:55:44.264198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020694
observed b96950e48e99782fd420aa8d7eefaf8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:44.245934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020694/manifest.json
observed 38a5d5a8d50bc1b447c8d3ba2824a6a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:44.224953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020694/publication.md
observed 59bbb4c81c0421745c418badb1470be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:44.204334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020694/publication.txt
observed 2e13af73dac3b75dfa7e81576699973e...
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.