OpenTechnical

OT-2026-000087647

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087647) never changes.

Identity and time

Publication numberOT-2026-000087647 · never reused
Internal UUID01a0ae9a-cd53-7ebb-b634-f44174450bff · 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-2026-000087647
StatusPUBLIC

Content hashes

Canonical text59c715a7cb78d1ca12b9b6d7fa679932e27c36bba97bbab682db74e04dd05606
Markdown6ad77e2b0ec87baff09d975c03f04f649eb01ad03df37e93b63c35c3c5caca2b
PDF
Publication page4d01d909117737bf37beeab7ea59df128117f9744aca28a9001abce7c9116d8f
Manifest7de5b1f10ba808424f1cf4d99491b99ff9110b53f186765ec91931199fd6dd77

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
SignatureqexlHN0wiipRda2XO3Mo4z0Uw1rpak5GweLxBDAw87O58022H7JWLWoyqHKKuc4ddQjbRfIysPQPakZJloxYDw==
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

2026-09-17T09:51:05.543561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087647
observed 4d01d909117737bf37beeab7ea59df12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:05.527807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087647/manifest.json
observed 7de5b1f10ba808424f1cf4d99491b99f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:05.511202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087647/publication.md
observed 6ad77e2b0ec87baff09d975c03f04f64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:05.496025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087647/publication.txt
observed 59c715a7cb78d1ca12b9b6d7fa679932...
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.