OpenTechnical

OT-2026-000035727

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000035727) never changes.

Identity and time

Publication numberOT-2026-000035727 · never reused
Internal UUID01a0ae76-b4c8-7783-bdf9-737f0e7c2f73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035727
StatusPUBLIC

Content hashes

Canonical textfba55133d5cbc3b1ed1df9e8ffe08c673fdc1d665ac48e4841492123f115e559
Markdown94b771346c5c95e41d945e908266d32c0eb2239e3893ef64c4082cda106d76ca
PDF
Publication pagec8891aaa14ad917ad39adda86ad70490d079e412d976bf9136ac71934056dbc6
Manifest55d2aedcf121d8915e16357654c66a603ed30d21486c8067cbcc4d9b3ecc4984

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
SignatureXHgPHMZPthzz27ZP+EPglzyuBbZgfnHmPhqrkF2/S64TWS6ATxeYHQQOt/XI2SqopFwpzF2ltLoPUpAz5r6oDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:27:18.951816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035727
observed c8891aaa14ad917ad39adda86ad70490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:18.929920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035727/manifest.json
observed 55d2aedcf121d8915e16357654c66a60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:18.912443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035727/publication.md
observed 94b771346c5c95e41d945e908266d32c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:18.895998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035727/publication.txt
observed fba55133d5cbc3b1ed1df9e8ffe08c67...
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.