OpenTechnical

OT-2026-000084505

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000084505) never changes.

Identity and time

Publication numberOT-2026-000084505 · never reused
Internal UUID01a0ae98-e25a-7a91-9b80-8beb58077ba7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084505
StatusPUBLIC

Content hashes

Canonical texta22c39b51f08d37551b128e629f6fc5a5895afb0ac0887e5f5addf36bec3f191
Markdownda1426c1bce6271213a1b1bd261da199652f3d0c3266dbbc45f903bea6e3d9c4
PDF
Publication page6cefdc03da32838d557bf3c087472f71edced91ccee700419dc88645d1438fd6
Manifest38c3fcc5f9b8b47683a1e0b8eaf76b2270809ccdbc4a9eec54b2f1be134ba9d7

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
SignatureoyKjHy3A1+h3oZBEDR0SqkIWHyWLfbpFJgW6cuuzFcG8qp2S8pRHj2uvWH2C1Evdz5/uJz3U2DL5HNR5IYHxBg==
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

2026-09-17T09:55:22.868929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084505
observed 6cefdc03da32838d557bf3c087472f71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.853010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084505/manifest.json
observed 38c3fcc5f9b8b47683a1e0b8eaf76b22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.835466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084505/publication.md
observed da1426c1bce6271213a1b1bd261da199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.816712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084505/publication.txt
observed a22c39b51f08d37551b128e629f6fc5a...
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.