OpenTechnical

OT-2026-000009970

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, vented after 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-2026-000009970) never changes.

Identity and time

Publication numberOT-2026-000009970 · never reused
Internal UUID01a0ae6b-cb79-7bba-b54c-3639580e1175 · 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-2026-000009970
StatusPUBLIC

Content hashes

Canonical texta3084cd272d0b4147b3264e335f963f73f5e546e726accfd3d28ef8e238d4f3e
Markdown4835edbb0738336188ac036c432c9c1b79e7862e38904e962acf3241717160f0
PDF
Publication pagea091b657210ec8c60c0b1720f9e37cc4e1abd23640897f7ddc37dde735f3d419
Manifesteffe47de02ab119cfd0cb5d178e231820e4b93dc07ffce6ccfe51e9c8df63ab3

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
Signatureg8t6SHjJcVF1f79ZBz/yRL4ZH7LPA/jCIaqGjLm7JjYi7m8ZwS7aeQSr5ssnBYqfryvfvnjzGioHYA74FIxOCg==
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

2026-09-17T12:16:00.609641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009970
observed a091b657210ec8c60c0b1720f9e37cc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:00.589980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009970/manifest.json
observed effe47de02ab119cfd0cb5d178e23182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:00.570440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009970/publication.md
observed 4835edbb0738336188ac036c432c9c1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:00.551405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009970/publication.txt
observed a3084cd272d0b4147b3264e335f963f7...
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.