OpenTechnical

OT-2026-000073708

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000073708) never changes.

Identity and time

Publication numberOT-2026-000073708 · never reused
Internal UUID01a0ae93-2b8d-7eca-b08a-25429e70fd98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073708
StatusPUBLIC

Content hashes

Canonical text3cc9a2c9c0786a697d2c8682609867c5bb589478d2ae51e0eb58ff0adee473af
Markdowndf344b552761af82e388d93400aca6c6ca01db31a96d52aa137e8f2fda84c905
PDF
Publication page479ff33a4422c23b06f93fba5ab68de621708266f4c7b2c8f59a81515820f27d
Manifest2957d018086f63c350c8fbefab1f97d6d57f54f2d43d5c044aeb7dcb34dad259

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
Signature9iu2USnCPkFvvGKKiN9YOF5rjR+U0WyVpseOgU15GYENlMZlW2zS3VpLnAJXZ6AST8Wbocf/r+GQZpg70OfHBw==
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

2026-09-17T10:19:46.582649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073708
observed 479ff33a4422c23b06f93fba5ab68de6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:46.562675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073708/manifest.json
observed 2957d018086f63c350c8fbefab1f97d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:46.545249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073708/publication.md
observed df344b552761af82e388d93400aca6c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:46.524749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073708/publication.txt
observed 3cc9a2c9c0786a697d2c8682609867c5...
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.