OpenTechnical

OT-2026-000009820

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line pressure sensor, vented after 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-2026-000009820) never changes.

Identity and time

Publication numberOT-2026-000009820 · never reused
Internal UUID01a0ae6b-cb78-704c-9208-c36f825d8d14 · 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-2026-000009820
StatusPUBLIC

Content hashes

Canonical textb9fa23bcf25fd4be4b279ee29973907169fe4dd6b4973d9a138d8177cd7bb873
Markdown027bce9c50ff1f9cbcaae11a4b545871658396baf5a179e32a570a3506ed9aaf
PDF
Publication page4494b717dda6f2c29892055516045abf1c07b72be72137f8312bf4aff932b0f5
Manifeste21efdea8a6b0ba721fe52e522ad2977b17c3c249dc16180dda0cf628cd60a02

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
Signature3ukfg4APCO0a9rEJTmngI5eSbMepoH89E4o2ZxFX+DznCVFtD0MtPCI/WhVf2VuHoUpD0ynWPG97QoyT9VXyDA==
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

2026-09-17T12:15:48.621717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009820
observed 4494b717dda6f2c29892055516045abf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:48.601457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009820/manifest.json
observed e21efdea8a6b0ba721fe52e522ad2977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:48.580899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009820/publication.md
observed 027bce9c50ff1f9cbcaae11a4b545871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:48.560359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009820/publication.txt
observed b9fa23bcf25fd4be4b279ee299739071...
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.