OpenTechnical

OT-2026-000070240

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000070240) never changes.

Identity and time

Publication numberOT-2026-000070240 · never reused
Internal UUID01a0ae91-545e-7f76-a696-b5fc7075e54a · 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-2026-000070240
StatusPUBLIC

Content hashes

Canonical textfcef67f11c2fe410de6f4b626000f271792df71801273b22c79e1fa03a9331af
Markdownb6dab27312684e7f8483ee735f0697f3ced63b4bd65e217d59948fccc7ccccd6
PDF
Publication page2f37b05c15e2b11b703b7a6d418fcefe476f92b888516e3dd18d2cc632e61f6a
Manifest0bd99aaf9fa6919251e27cda9683ee3b8f8b280472bab6e2252277d84a7c4f9c

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
Signaturev0qsmooc/7xYcjousONHP3P0NenQM71PaKn5wQEznlAQyPjM9qDZGR2Mub8MXtTLWjl/spFufIGD0ZAwq533BQ==
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

2026-09-17T10:26:00.919681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070240
observed 2f37b05c15e2b11b703b7a6d418fcefe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:00.902554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070240/manifest.json
observed 0bd99aaf9fa6919251e27cda9683ee3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:00.885892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070240/publication.md
observed b6dab27312684e7f8483ee735f0697f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:00.868291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070240/publication.txt
observed fcef67f11c2fe410de6f4b626000f271...
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.