OpenTechnical

OT-2026-000070923

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000070923) never changes.

Identity and time

Publication numberOT-2026-000070923 · never reused
Internal UUID01a0ae91-8c2d-714b-b368-4814d3d7fb74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070923
StatusPUBLIC

Content hashes

Canonical textb9eb669ad855ec852aca4dc9e0686c94c95cb08a96e0ee04a669b57161bd63c6
Markdown9a00e395fdceed9be50d3e7cb343225a1aaaf9ac270c752f3aef88b0ace5af53
PDF
Publication page7b883fc7c57ec7556056da203a2ef5ddb944353d4f67dc480a5b1983f99721f2
Manifest46712e5240cb8eef9ed62e8bac0624b4fc29161ebb51d6252433456286482b15

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
SignatureTzsWJnmhkiuJAIACMwkiL6rqD6S2CCdf2EwH701BnF6b9dVdTl8ia7BdeNGiPuV0qqLISBD8z+9DRkBKLG8+AQ==
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

2026-09-17T10:25:45.462575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070923
observed 7b883fc7c57ec7556056da203a2ef5dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:45.445346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070923/manifest.json
observed 46712e5240cb8eef9ed62e8bac0624b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:45.426536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070923/publication.md
observed 9a00e395fdceed9be50d3e7cb343225a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:45.409777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070923/publication.txt
observed b9eb669ad855ec852aca4dc9e0686c94...
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.