OpenTechnical

OT-2026-000071559

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000071559) never changes.

Identity and time

Publication numberOT-2026-000071559 · never reused
Internal UUID01a0ae91-e0ee-7b89-9ab7-68bda02803a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071559
StatusPUBLIC

Content hashes

Canonical text3af26ae687a8173b20a178369212e1711539e379575c61b81ff6e29ddd11d60b
Markdown9552477ddfe0a9116ef111e6b3f505ffd5f3b3911da8a54351daf352ba56305d
PDF
Publication pagecde79c24f26fe7ac02e88eeb9e54d6f29310917236383a74ca544741a873cc12
Manifestc0b28862caaa4438f436cc025c99e408408ef2b01a9c0d24c9bb17d9eeabb7e9

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
Signaturec38rhvyqcvvayjguVM2pWTasG5gl41NHjsRoxRiNmyvFxS020d8SQHMvXYVw1y2lZLTHVhpiejfSgg/5u0W+Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:12.861631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071559
observed cde79c24f26fe7ac02e88eeb9e54d6f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:12.843711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071559/manifest.json
observed c0b28862caaa4438f436cc025c99e408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:12.826913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071559/publication.md
observed 9552477ddfe0a9116ef111e6b3f505ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:12.810463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071559/publication.txt
observed 3af26ae687a8173b20a178369212e171...
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.