OpenTechnical

OT-2026-000071363

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000071363) never changes.

Identity and time

Publication numberOT-2026-000071363 · never reused
Internal UUID01a0ae91-e0ed-742d-acf2-e115c8800bef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071363
StatusPUBLIC

Content hashes

Canonical text7c1aadd58f8276aa1cbd201bafaf372ec8f4c9d19ce84a8dcad1661316a7c29a
Markdown0bdbf13813b1e187aa1336f7141b9d4086a1c4848ea9607b33c3798da28f234a
PDF
Publication page95cc28bbc9fa93b165eb21284e5f341732ab2f0d240c3cb9354ecddfed3f7392
Manifest576b20d2bd86cb0661fe7f615ff1f9d52d6bfc0d416e957628ecb80a2974d037

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
SignatureGcS3D302ZMTVsmZPGB1dKK2F0/mrbbRNpredCUOe5pYDqOum0Oyw2wez/esSFS2NYEGh6sKcISKTwsWS/M57Dg==
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

2026-09-17T10:24:58.453415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071363
observed 95cc28bbc9fa93b165eb21284e5f3417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:58.436137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071363/manifest.json
observed 576b20d2bd86cb0661fe7f615ff1f9d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:58.419927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071363/publication.md
observed 0bdbf13813b1e187aa1336f7141b9d40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:58.401898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071363/publication.txt
observed 7c1aadd58f8276aa1cbd201bafaf372e...
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.