OpenTechnical

OT-2026-000015787

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, 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-2026-000015787) never changes.

Identity and time

Publication numberOT-2026-000015787 · never reused
Internal UUID01a0ae6e-0c4c-7da2-a691-e8c45ef864c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015787
StatusPUBLIC

Content hashes

Canonical text402a5962e1c9f0dbb55f469be0137e352d6b3ad95f6f8c3a16e7c8b3e6af9904
Markdown6e402e5ac09ba6d425041f778ff06c560c524239ec6941d9e9a1cd4248c0b33f
PDF
Publication page617c2a23368d7bdf4ca8616cb8b1139effac2ffea879c448f106eab397da50ab
Manifest9729b2309286a5f9808de01d5b557dddcbfca0f9c919c3dba54eac632d8874c1

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
SignatureKWIH7f/MOtECAstwnoW/vNf3Y1uEZ2rbjIPdI1aYqABUJmvWDIzvybnQdwj1rdl2guqubKXH8aoe4Sznf5nkDg==
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

2026-09-17T12:05:05.464643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015787
observed 617c2a23368d7bdf4ca8616cb8b1139e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:05.446027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015787/manifest.json
observed 9729b2309286a5f9808de01d5b557ddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:05.428047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015787/publication.md
observed 6e402e5ac09ba6d425041f778ff06c56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:05.410803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015787/publication.txt
observed 402a5962e1c9f0dbb55f469be0137e35...
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.