OpenTechnical

OT-2026-000073041

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000073041) never changes.

Identity and time

Publication numberOT-2026-000073041 · never reused
Internal UUID01a0ae92-c816-7f83-8a9b-1f9628e6a6df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073041
StatusPUBLIC

Content hashes

Canonical texta75d8e430a6b80bcb39a13b397bf8ef6e7ff19b508224ae90497d52a5f633392
Markdownccb67177e626d0c6d86eebb49a1fa19f36d2bf24ea867c7e8d21f7362ea3cf1e
PDF
Publication page52750bdde1bcde78ef8604cec56b17d9e499c5af3b7812652b28d89adbb5664e
Manifest169b31d0ce7ca8fbd9cdf00b3bc6cc61e6c0a0e9f18037b73c79ef06504d2b66

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
SignatureTD/PV0nRjSPO3YrvEaUs38NuVWx2NbeZ7HIixjLpRJYeATRr0AgtST4RPtiO7/0zdD9F/81vWxOkZLz+L/L1DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:59.025564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073041
observed 52750bdde1bcde78ef8604cec56b17d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:59.006732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073041/manifest.json
observed 169b31d0ce7ca8fbd9cdf00b3bc6cc61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.991964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073041/publication.md
observed ccb67177e626d0c6d86eebb49a1fa19f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.974994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073041/publication.txt
observed a75d8e430a6b80bcb39a13b397bf8ef6...
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.