OpenTechnical

OT-2026-000039867

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum 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-2026-000039867) never changes.

Identity and time

Publication numberOT-2026-000039867 · never reused
Internal UUID01a0ae78-d8d6-7760-84a4-3ad68cab27b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039867
StatusPUBLIC

Content hashes

Canonical textb6cc14793eb965e83eb1217f11ba35cb10957059e09b5fd34a7f972f964f7cb2
Markdowne01f477e38258da9ccefb69c0859c76846969c25b09227c72fb6daab1aff2a08
PDF
Publication pagef2ab4381f155b5e0da2aeb10536c1963d7a0a340f9336503e712db139649f31e
Manifest9ba9dd7f12a91b40b22a2b50480f4326b8baa10b64360587bc87da2c6c8e2d9e

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
SignatureqY17aFTNRr4wEbgYkI16LYpwGsmL7yVrq5iy4Be31eQHGgXkwjZzaHbLNEgI+gAHq+LZ/4VhvPq31doR/EqsCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:33.173903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039867
observed f2ab4381f155b5e0da2aeb10536c1963...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:33.158860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039867/manifest.json
observed 9ba9dd7f12a91b40b22a2b50480f4326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:33.140634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039867/publication.md
observed e01f477e38258da9ccefb69c0859c768...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:33.121562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039867/publication.txt
observed b6cc14793eb965e83eb1217f11ba35cb...
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.