OpenTechnical

OT-2026-000020965

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000020965) never changes.

Identity and time

Publication numberOT-2026-000020965 · never reused
Internal UUID01a0ae6f-65e4-72c0-9cd6-da3c759ed87b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020965
StatusPUBLIC

Content hashes

Canonical textba7860764a1a9bbfe444a5b387f1b210a525e7068f81356ccc9c1a13866f4508
Markdown96225acb68b553926b9a434eaaa4a49971a71eaeb66d367f5b03cc2a275ff94d
PDF
Publication page7512be14aae7c93f271dfc02a2321e0b03cbc2ffb92ec5d8e44f9ca8bcc2800d
Manifestda80986229643793a4891465296712fb4a4d994fc26a5196ba34650bd4ddb36c

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
Signaturey8/lw/WDuaP5w0Mh/eAPDr6spjCvpfTwjxMFZ0KWUCKWOjOq4hmQUu+SvdRw6acutY7XFNqW++hpj3bXByf8DA==
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

2026-09-17T11:56:06.484806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020965
observed 7512be14aae7c93f271dfc02a2321e0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:06.465270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020965/manifest.json
observed da80986229643793a4891465296712fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:06.445683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020965/publication.md
observed 96225acb68b553926b9a434eaaa4a499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:06.428469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020965/publication.txt
observed ba7860764a1a9bbfe444a5b387f1b210...
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.