OpenTechnical

OT-2026-000040522

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold 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-2026-000040522) never changes.

Identity and time

Publication numberOT-2026-000040522 · never reused
Internal UUID01a0ae79-6d0d-7766-b80b-3eff31b14e07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040522
StatusPUBLIC

Content hashes

Canonical text0eccdcac7b7e128aacde3c7adfb2f374c3ebc9cd66affebe5bdf0883ff1f1d91
Markdowne975edb3b7484f2ca5a07e6eddc35b91fbff55379277a2d088082d6c334e4524
PDF
Publication page2e918c86b510eac55af77a6de06590c822d2354afd3868d80b708f89e3f8a189
Manifest5f0b0a5545233f01b0cb0533ee4ec9025b6acd0b381701a67fd8cdd9ecdcfb9b

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
Signaturersu6jFIZ4rdhe9/F/4De3+sDC/6KNUq7jNAquM/3sZpEHeA2oNTMZeDxphw7RB+6KFe44vOMzctnWEG01BOlBg==
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

2026-09-17T11:17:40.097278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040522
observed 2e918c86b510eac55af77a6de06590c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:40.079208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040522/manifest.json
observed 5f0b0a5545233f01b0cb0533ee4ec902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:40.059536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040522/publication.md
observed e975edb3b7484f2ca5a07e6eddc35b91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:40.039584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040522/publication.txt
observed 0eccdcac7b7e128aacde3c7adfb2f374...
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.