OpenTechnical

OT-2026-000031445

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000031445) never changes.

Identity and time

Publication numberOT-2026-000031445 · never reused
Internal UUID01a0ae74-87ad-78c5-9060-e89e9605382a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031445
StatusPUBLIC

Content hashes

Canonical texta5c24bef8a90ad72c4597d332a76f852e5157910deb0a23cf32fece41e497632
Markdown74ca53862f7aa6f95b4df45fab4d5eae28298a9ba982008ac354c3ef6b94c092
PDF
Publication pageee9720f4fa5bb67850ff15581cf0e9c30a97c5fc65c37e1beaf64ef519353487
Manifestb6a4320cc93680d03822127da78acb26df36d4b18707b79adea3261734e72e32

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
Signaturea64YmZCi03SrNihBeUlMYJyfZ1UWiuxgr6cGP3CjQT+eQLPZmGVsPai2yBTzC0gmeciXfEJN8TCdRTLFbaLTAA==
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

2026-09-17T11:36:10.173366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031445
observed ee9720f4fa5bb67850ff15581cf0e9c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:10.155029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031445/manifest.json
observed b6a4320cc93680d03822127da78acb26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:10.138045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031445/publication.md
observed 74ca53862f7aa6f95b4df45fab4d5eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:10.119665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031445/publication.txt
observed a5c24bef8a90ad72c4597d332a76f852...
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.