OpenTechnical

OT-2026-000040641

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, sustained 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-2026-000040641) never changes.

Identity and time

Publication numberOT-2026-000040641 · never reused
Internal UUID01a0ae79-6d0e-771b-8df4-fded45b233a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040641
StatusPUBLIC

Content hashes

Canonical textc1760756d4922ae49c5b72360b7fe6a591688b60156522314c9a2ec58826586f
Markdown1b945dbcaa98cf2d2875795ab2e7838ccd7c7216b8e5469da200b8bc69513362
PDF
Publication pagea4fac5d7525f3de507b1e3a962c71ce859d9076fd5074ee390523aa7062550e6
Manifested1b053705f3982a56a7a7dd7d1fd3154c156f5f52f41ee0540a1ed7dad63cad

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
Signaturefg1Szqeu1JENZH0A7yB4W9/YMtP7KWw+eHsRmJhMY1gUNP2KvHaXRkf8EnQqx5hpHADGx3UWTZg4Y9Td6CJDDw==
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

2026-09-17T11:17:49.546411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040641
observed a4fac5d7525f3de507b1e3a962c71ce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:49.529776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040641/manifest.json
observed ed1b053705f3982a56a7a7dd7d1fd315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:49.512648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040641/publication.md
observed 1b945dbcaa98cf2d2875795ab2e7838c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:49.493423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040641/publication.txt
observed c1760756d4922ae49c5b72360b7fe6a5...
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.