OpenTechnical

OT-2026-000071779

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000071779) never changes.

Identity and time

Publication numberOT-2026-000071779 · never reused
Internal UUID01a0ae92-1e91-7ef1-8362-1e560545355a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071779
StatusPUBLIC

Content hashes

Canonical text4d9697c4fca428e921d4d8f69b732637be573c2b27b2ca859c042b2ee949a41a
Markdown60beea659172ebd25dd86f02cf253c7d393d097b8249e9293a4fc1b3efa6df99
PDF
Publication pageeb8b1eeee0491814d81de20f3c5191f11cfaeffbcc5b751f5b21ef7ad42c66ad
Manifestde1504844188dafb6001891c93dc122c797cb58cf68ef0c3926d1ca5be2eb91b

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
Signatureh02GBnPs1aqN6iOJnvee8knmP+bOBN4IMxJ4/DKRbC8xgMscjg0o4HMO3rx9u/QM5rE/TZlM/liSnUaVDzB+DA==
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

2026-09-17T10:23:56.586836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071779
observed eb8b1eeee0491814d81de20f3c5191f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:56.568269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071779/manifest.json
observed de1504844188dafb6001891c93dc122c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:56.549583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071779/publication.md
observed 60beea659172ebd25dd86f02cf253c7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:56.532802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071779/publication.txt
observed 4d9697c4fca428e921d4d8f69b732637...
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.