OpenTechnical

OT-2026-000034605

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000034605) never changes.

Identity and time

Publication numberOT-2026-000034605 · never reused
Internal UUID01a0ae76-1ed1-74a8-88c6-796bd6e70987 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034605
StatusPUBLIC

Content hashes

Canonical text42c0e5be16f2602bcdf0261ffab2622bb5c9bfb19ff4240689bb4cc075280595
Markdown2a7250ad773ed7f7b3b4bc8d0f7d08a5f42530a16947e40bebaac15b004211b3
PDF
Publication pagebec8e7c00a72db7b0981b09dc6417ba315a69e50979949c046e0a4bb23de3d46
Manifest64311921c0e6fde66f05fef01b62b1bbc1fb3b9c27a1f8647ffbf57c353ac7a6

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
SignatureKNzmefS/Tr9UkSdbjGqzJcfUicScbuseRFT/nwYM5CzYsT1DpFitpxOnPwQlkoPTQRAsuBsshv3P+q7HH0YSAQ==
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

2026-09-17T11:28:59.100953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034605
observed bec8e7c00a72db7b0981b09dc6417ba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:59.082765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034605/manifest.json
observed 64311921c0e6fde66f05fef01b62b1bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:59.066431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034605/publication.md
observed 2a7250ad773ed7f7b3b4bc8d0f7d08a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:59.050713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034605/publication.txt
observed 42c0e5be16f2602bcdf0261ffab2622b...
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.