OpenTechnical

OT-2026-000009851

Publication integrity record

Two cup vacuum gripper, two 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-2026-000009851) never changes.

Identity and time

Publication numberOT-2026-000009851 · never reused
Internal UUID01a0ae6b-cb78-7d68-87b6-eb1303feddc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009851
StatusPUBLIC

Content hashes

Canonical text7dfb7fab50f350efdd6629a897655a3e358bfee3dbc51129bd3dc522642653a3
Markdowna45fb8e994ff8bf6b2900bf2af4430b13ae6450a549b276734a2be0423687937
PDF
Publication page8c893effffe4658bfe37e664958c0202d726a6aae2a49d9c1ae209eefe77744a
Manifest6ff352524379c22304d2a51e5a470818e13f00018c88de273a14d315b70b6b8d

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
SignatureKXkhAUK24FhcrWT5PsM2q7gY1af96RGUje0rXVTGPD50nl0TYlSAZSbKtzTsZBUPI9iLRPinRGWt0bmJUHWOBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:50.917505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009851
observed 8c893effffe4658bfe37e664958c0202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:50.897102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009851/manifest.json
observed 6ff352524379c22304d2a51e5a470818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:50.876639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009851/publication.md
observed a45fb8e994ff8bf6b2900bf2af4430b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:50.856757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009851/publication.txt
observed 7dfb7fab50f350efdd6629a897655a3e...
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.