OpenTechnical

OT-2026-000019577

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line 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-2026-000019577) never changes.

Identity and time

Publication numberOT-2026-000019577 · never reused
Internal UUID01a0ae6e-f394-77a7-8322-c6d11c36123e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019577
StatusPUBLIC

Content hashes

Canonical text9ee8f4b940a0f3f5ca1a6588c8064273fd8840711f5c10a53e32aed15f01512d
Markdown4a4de0453f1737239122b2f4f5847659076b357393fe2c9fa3cfe681c330fb6a
PDF
Publication page37d64f802d28bc7aa3bc3abb2d388cc65c030acec3ab29584b994a11e2e57441
Manifest25aa6bae2294512e8891da92fef6db49b9d0b2ad357dde2102dbaf22cbe0c16c

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
SignatureFcQ33f6n8pfY4/YBZrBW5DjGMJ8s2JvhtzisetqLMcdhhbaR04/ZUCB4UDV1WMsnOteQ3yFhdvSSVq2kLvuLAg==
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

2026-09-17T11:59:01.501365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019577
observed 37d64f802d28bc7aa3bc3abb2d388cc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:01.485841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019577/manifest.json
observed 25aa6bae2294512e8891da92fef6db49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:01.468555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019577/publication.md
observed 4a4de0453f1737239122b2f4f5847659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:01.453135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019577/publication.txt
observed 9ee8f4b940a0f3f5ca1a6588c8064273...
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.