OpenTechnical

OT-2026-000087482

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-2026-000087482) never changes.

Identity and time

Publication numberOT-2026-000087482 · never reused
Internal UUID01a0ae9a-cd51-7ac8-8150-1796927ebe53 · 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-2026-000087482
StatusPUBLIC

Content hashes

Canonical text7af3476aba8601d11e323064b7e398032e8f4bc70f39993d4009a47ebf9e1dbe
Markdown264211f79a9b75a57c6a152b756a0b22b2c708ce49fd58a9565197487ba4d8c8
PDF
Publication pagef8dd387498f5a21e2b12930df680f76e981fdd2f9dcc9f3f9bcae724644b87d8
Manifest4d84646d8aeb075ceb34c8ec9319fe1fbc93635ac2c30c200831130ff0b045fc

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
Signature1P0BSb54+fF5QDtCSIC8pCLQlnrok+t3PTy2aJz8N2IUGGFH7pcr7fGdCf+ZPe09iDINSJxeLcuSQQyYzntKAA==
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

2026-09-17T09:50:48.136683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087482
observed f8dd387498f5a21e2b12930df680f76e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:48.120911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087482/manifest.json
observed 4d84646d8aeb075ceb34c8ec9319fe1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:48.092818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087482/publication.md
observed 264211f79a9b75a57c6a152b756a0b22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:48.065761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087482/publication.txt
observed 7af3476aba8601d11e323064b7e39803...
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.