OpenTechnical

OT-2026-000066471

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000066471) never changes.

Identity and time

Publication numberOT-2026-000066471 · never reused
Internal UUID01a0ae8e-ce40-7484-89b9-1c9a278db9a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066471
StatusPUBLIC

Content hashes

Canonical text2432ce7a00feb341088806217a745f28fbdbbc40b68dac44a1bf02a1b9302a49
Markdowndc7ccefbd6fc2f7f599d5f0a4b962082bbe7a4dcaaef79998bcc70eddf77e7f7
PDF
Publication pagee7b96ede9a1dc3d9f134c978bebc9c06cec346243eea956c2ad70636c6593b18
Manifeste04e01f2696f9c93180e09e164c4bac93881cf8b12ae5c014d2e97fbfe2c5142

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
Signaturevh4oPkFJymmJAQvCChspkjYggGCoQyIIApS1gWygggH6AEYHFA01ROT8BPtMXBtPOn+lsWoDDqNurw4bB1J1DQ==
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

2026-09-17T10:32:43.382189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066471
observed e7b96ede9a1dc3d9f134c978bebc9c06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:43.365653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066471/manifest.json
observed e04e01f2696f9c93180e09e164c4bac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:43.348405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066471/publication.md
observed dc7ccefbd6fc2f7f599d5f0a4b962082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:43.330631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066471/publication.txt
observed 2432ce7a00feb341088806217a745f28...
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.