OpenTechnical

OT-2026-000043595

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000043595) never changes.

Identity and time

Publication numberOT-2026-000043595 · never reused
Internal UUID01a0ae7b-92cf-7eda-a0d8-8634d9afcc3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043595
StatusPUBLIC

Content hashes

Canonical text42245baea1034112c0b02cf74a1f588e129afaf9f6f60037f553075aab22d58a
Markdown23656a160c6efa8a7dbf189a8fa0eb70c994c0ca09a395f9adff05bd75cf6c6a
PDF
Publication pagef705b9dc0d131f3df657cef190778f790db8035b5a59013a299fdb510706e494
Manifest9324f4d00653638814946b582e16d9e81c26c24d06c5d62959246294ac38cfc0

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
Signature/OPfU5PSBDyihBkgu5DPGqy0VOE+BTwjRVbbd2qJaz11wkqy4uWtVYtD7ZriuY9SSwhelrzut06Juvw7O46QAA==
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

2026-09-17T11:12:59.976331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043595
observed f705b9dc0d131f3df657cef190778f79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:59.956678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043595/manifest.json
observed 9324f4d00653638814946b582e16d9e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:59.936696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043595/publication.md
observed 23656a160c6efa8a7dbf189a8fa0eb70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:59.908919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043595/publication.txt
observed 42245baea1034112c0b02cf74a1f588e...
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.