OpenTechnical

OT-2026-000041332

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed 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-2026-000041332) never changes.

Identity and time

Publication numberOT-2026-000041332 · never reused
Internal UUID01a0ae79-b144-78ad-ba63-eeb0d0fb8675 · 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-2026-000041332
StatusPUBLIC

Content hashes

Canonical text93f23c70faaa2d4a0e7fe45606e78c0a1816880b6be8bb810208b14a03f2998d
Markdowne23b3483337a613cd01580185c3b10ac76140b7e0f840ac1e6d2b4a89139ed40
PDF
Publication pagef594d3a0d9decfd4d4a2e346e1611199c29c5316d0e4cf66f52b1e48e05bcacc
Manifestfb156ee906a019438852dfa132f812c052421ef89b04ee5e9bcd9ae2f217797e

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
Signaturelybq7a6F9uGkcfWzIHkUHymmADmqCsZONglR6Hevuewio0v+dZdWaQqfbiwSnzlJYcoLnVvoau1Zc9AUL1orDQ==
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

2026-09-17T11:17:19.627637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041332
observed f594d3a0d9decfd4d4a2e346e1611199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:19.535883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041332/manifest.json
observed fb156ee906a019438852dfa132f812c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:19.516901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041332/publication.md
observed e23b3483337a613cd01580185c3b10ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:19.499054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041332/publication.txt
observed 93f23c70faaa2d4a0e7fe45606e78c0a...
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.