OpenTechnical

OT-2026-000055133

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000055133) never changes.

Identity and time

Publication numberOT-2026-000055133 · never reused
Internal UUID01a0ae86-5e82-7090-a3a8-0803dd4419af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055133
StatusPUBLIC

Content hashes

Canonical text4b7ae69ca29d54eada54454fb264a997db8bbf959c6572f6b7899257457612f4
Markdown2098dd89902dde850b23313e44c1a5bd1b16c681e6ffb93a66e3fa2c3b582295
PDF
Publication pagefc04a4013d4d994be6371515192e0369e0fbe394e63b8c72331ece8e8adca300
Manifest632524411f2e12fe40b1008ce886a3d9d07317783739ca38f5a4126535f7fbf6

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
Signature7FbZT9MrX/BACq9ppJERVlqydrux7dQf3t4JB7p5hUk1xC4HbFInrMMkquiQVhVALRmfMb8VenclnbiYNp89Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:18.425673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055133
observed fc04a4013d4d994be6371515192e0369...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:18.405401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055133/manifest.json
observed 632524411f2e12fe40b1008ce886a3d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:18.386588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055133/publication.md
observed 2098dd89902dde850b23313e44c1a5bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:18.368268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055133/publication.txt
observed 4b7ae69ca29d54eada54454fb264a997...
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.