OpenTechnical

OT-2026-000026954

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000026954) never changes.

Identity and time

Publication numberOT-2026-000026954 · never reused
Internal UUID01a0ae72-3452-77b6-b09b-c4094dc56f82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026954
StatusPUBLIC

Content hashes

Canonical text1ec2fe6dde1d6ab446281d8b81543ff47c040996c196690463f37885417ec2c9
Markdown9f0fa786f0f502c5d757d0ef28daf56d1aa4a4a6a7372c5f6db5bdca873f0cb6
PDF
Publication pagebbd8b2027c6027de5e9c504b2608712afa86c070245eed84c891b871d0cef6a2
Manifest8af1fb33f5ed785b46465a5c09d63517d1996aeaf04d84f1f9cfafb50e3b347c

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
SignaturevK2kkdrvA2HbjdSxylu12HSY5o93WaYKNfOoeZKZSCteqX8zIY6LtWJGrdbLtLIp1I1sO6EIaECg4lvmL8hbBA==
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

2026-09-17T11:43:34.539246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026954
observed bbd8b2027c6027de5e9c504b2608712a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.519902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026954/manifest.json
observed 8af1fb33f5ed785b46465a5c09d63517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.501793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026954/publication.md
observed 9f0fa786f0f502c5d757d0ef28daf56d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.484148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026954/publication.txt
observed 1ec2fe6dde1d6ab446281d8b81543ff4...
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.