OpenTechnical

OT-2026-000025994

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000025994) never changes.

Identity and time

Publication numberOT-2026-000025994 · never reused
Internal UUID01a0ae71-a83f-7488-8b55-4bbb19b9831c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025994
StatusPUBLIC

Content hashes

Canonical text4f03a97547e742feda6e9e981cbee5b9c6fae61143d0d0d82c10b161c528f977
Markdownc1cb3fa5acd586086515c0dc96bc8e8ffe76ceacf65bee9e0227540fddf81be7
PDF
Publication pageef344be85ac095bbb3af7ca7e5d44a1be218cd003ab3387e3c9f40096594947f
Manifest9d52d1cba9a3999d56ecd9d5ebd2a849517b0d7ba12c909be4e95dee792f33e0

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
Signaturen77MkhnQ2lOy0J7QF4rZsF4vKmcuiSqirhBQsgqAPNwUhnOgJRry2Bh1OA1MVoKzyB6HjogLIN8zpP6KtdmeAg==
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

2026-09-17T11:46:22.071801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025994
observed ef344be85ac095bbb3af7ca7e5d44a1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:22.051713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025994/manifest.json
observed 9d52d1cba9a3999d56ecd9d5ebd2a849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:22.034820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025994/publication.md
observed c1cb3fa5acd586086515c0dc96bc8e8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:22.018569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025994/publication.txt
observed 4f03a97547e742feda6e9e981cbee5b9...
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.