OpenTechnical

OT-2026-000072577

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000072577) never changes.

Identity and time

Publication numberOT-2026-000072577 · never reused
Internal UUID01a0ae92-89d8-7cff-8799-d3a2f40baff3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072577
StatusPUBLIC

Content hashes

Canonical text7065eceee30d5f7a6e04d6ae46c0a7ce420a1d27b99eebae0e1fa02248294608
Markdownbd2ed7459d767fa6beee0e7efb98b3a52b2c1f4fc467d43d0ac269c8063d8eef
PDF
Publication pagefc05268c4e24b9402d1be4af0602bddc4f21bc190d8e221e0d40b4a9a13afd12
Manifest428a92fd689b9866cc118afeb7b493d15f75e6cfcb502b3cc59be4211d1e951e

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
SignatureMikSbJKHQ3IwVqKVCOlgBBXPDfhFaDVkyfqNl7N52YaeHY2MDi+s0X4Kk/Qo9W+Er3e1xh6zWNkivvgC6LK3Cg==
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

2026-09-17T10:22:25.161126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072577
observed fc05268c4e24b9402d1be4af0602bddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.142704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072577/manifest.json
observed 428a92fd689b9866cc118afeb7b493d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.124995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072577/publication.md
observed bd2ed7459d767fa6beee0e7efb98b3a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.105902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072577/publication.txt
observed 7065eceee30d5f7a6e04d6ae46c0a7ce...
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.