OpenTechnical

OT-2026-000070335

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, 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-2026-000070335) never changes.

Identity and time

Publication numberOT-2026-000070335 · never reused
Internal UUID01a0ae91-545e-7f5c-b6b8-6e2b5c23ccaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070335
StatusPUBLIC

Content hashes

Canonical text41801b8fd0c3ab33e2089e311866493be9d0fb1298155637c2c842b4ee522edc
Markdown022d2d4cf09a3745fae4bc6eb14a1266eb41d8d873752be99f615c1de67c8d2e
PDF
Publication pagec7439b1cb4855213819ca65b47661427c4f6f7ab37f8d7799e0c269e1dbfb48a
Manifestdbf5f17ee41dc6325fcf7a26f644353a83051adc4c149df62c49feb7ae272ae2

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
SignatureJEJPRUvyKDsvjDBtn5ZlF5FmxZlo4ZEFCLTn8jzZpNK4xKD3rjlsLRkyna923YheyAcHoorbSSFl2iXR1R7uBQ==
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

2026-09-17T10:26:07.686904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070335
observed c7439b1cb4855213819ca65b47661427...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:07.670840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070335/manifest.json
observed dbf5f17ee41dc6325fcf7a26f644353a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:07.654613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070335/publication.md
observed 022d2d4cf09a3745fae4bc6eb14a1266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:07.637757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070335/publication.txt
observed 41801b8fd0c3ab33e2089e311866493b...
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.