OpenTechnical

OT-2026-000077670

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented after 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-2026-000077670) never changes.

Identity and time

Publication numberOT-2026-000077670 · never reused
Internal UUID01a0ae95-2ecf-7c8b-a856-68062a078bf3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077670
StatusPUBLIC

Content hashes

Canonical texte0963b52ee829d53eea9497591dfac651f9f9c3b896b654e9a7e50e0e3d2d45e
Markdown04be79daa80012a3bf7bbb24260cfed78c8f229354718071f5da2dbe96ac982c
PDF
Publication page916ad359b6675476d318888ed13e65f1b84fde25ccd9bd30aed4bfb56985c091
Manifest22113a35fd607dc38da4068cdf10a2633b075e9c29c9c4ede8ab02f476985f1f

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
SignatureDzuK30ZdZJbvNGmjUMYg8jYQ/ZxRpxLEyS5kX63Y3kYxYd++s5sJJoicYcTRN69kLWGkcxLUM1Nuwh45DZyMBA==
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

2026-09-17T10:07:14.451499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077670
observed 916ad359b6675476d318888ed13e65f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:14.428943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077670/manifest.json
observed 22113a35fd607dc38da4068cdf10a263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:14.409533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077670/publication.md
observed 04be79daa80012a3bf7bbb24260cfed7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:14.390856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077670/publication.txt
observed e0963b52ee829d53eea9497591dfac65...
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.