OpenTechnical

OT-2026-000041186

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, sustained blow-off after 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-2026-000041186) never changes.

Identity and time

Publication numberOT-2026-000041186 · never reused
Internal UUID01a0ae79-b143-7433-84f0-5c6b58a603bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041186
StatusPUBLIC

Content hashes

Canonical text489399f5e54a8acc843064fea183903123321ba778e8cfedb7e4ff72decd0d90
Markdowneed0ccaa6ebe69e858f9ebdc29b1d053327576f4b430a90e818b0b7ad379d1c7
PDF
Publication page5f6c6ac3c0106ac5e6afac53877c52e0f7c9babe1b0580e55b42a2cc9e1fc5e7
Manifest402715c9b96a100d51af5d3a757b42592ee8f4e4138436c19272b6b9ff41391c

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
SignaturejFw7Sc/UjaRODuqe1g4ztzb0cOHSwra+hiY69QH37kGjLlmdXyPNRmjJ3//5Ls7qIk+ciALuNsKAWAyUgqt/BQ==
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

2026-09-17T11:17:08.223637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041186
observed 5f6c6ac3c0106ac5e6afac53877c52e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.205658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041186/manifest.json
observed 402715c9b96a100d51af5d3a757b4259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.188558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041186/publication.md
observed eed0ccaa6ebe69e858f9ebdc29b1d053...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.170473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041186/publication.txt
observed 489399f5e54a8acc843064fea1839031...
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.