OpenTechnical

OT-2026-000031682

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000031682) never changes.

Identity and time

Publication numberOT-2026-000031682 · never reused
Internal UUID01a0ae74-bad0-7afc-ae58-6a6c629d82a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031682
StatusPUBLIC

Content hashes

Canonical text0aa8e65d2b7b50599c83751891f5eddd678ee807b4ca48cd0261c3545914ddfb
Markdowna64a8f996b17963564fa2a42be4bf3408277016e78bcabf005373e441e8fa715
PDF
Publication page05de911abe272d981b3b0d53110f943c039454926a8c9e324275d409a23e8c63
Manifestcad7c6a74b42578717beabac2b021d9009304523bccb1346f48517f75da3544e

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
SignatureNQm2H3IkGmviVKqqKtuocu03J11h9Ba6ZS/tGAtwgk2z+D/A4SiyMDyMONIhfepnjsW9iorsSKA7sp8dGkPmBg==
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

2026-09-17T11:34:46.988084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031682
observed 05de911abe272d981b3b0d53110f943c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:46.971789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031682/manifest.json
observed cad7c6a74b42578717beabac2b021d90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:46.953784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031682/publication.md
observed a64a8f996b17963564fa2a42be4bf340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:46.935338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031682/publication.txt
observed 0aa8e65d2b7b50599c83751891f5eddd...
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.