OpenTechnical

OT-2026-000087480

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000087480) never changes.

Identity and time

Publication numberOT-2026-000087480 · never reused
Internal UUID01a0ae9a-cd51-73ad-b830-29f2a9f4bd8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087480
StatusPUBLIC

Content hashes

Canonical text96b951f5b6e0580d8199c88c3a34aa9c817568032cc78dbb18b5ed8275faf00a
Markdown0ba6c6000fd925a8cf40f9528b0271e681ddcd6ee3150e4897e4f92c27683397
PDF
Publication page496f7b5d6d6d85ce7f41e60150d50405bf37ced476af401e089a21dc5ef9f287
Manifest8fb5f65a2b9431d4543dcc9a9493257093aba3e0dc1079d1a108a9e374e7c1b9

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
Signaturee2MCJemfX6qBCltdq/lZQh01SsN+U2myyfzyhT3FMnptFJmWpHF05QZ4ZKYrP6G4FGOzILAmItp5AWWlu3/LBA==
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

2026-09-17T09:50:48.772314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087480
observed 496f7b5d6d6d85ce7f41e60150d50405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:48.755171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087480/manifest.json
observed 8fb5f65a2b9431d4543dcc9a94932570...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:48.739468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087480/publication.md
observed 0ba6c6000fd925a8cf40f9528b0271e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:48.721974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087480/publication.txt
observed 96b951f5b6e0580d8199c88c3a34aa9c...
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.