OpenTechnical

OT-2026-000019297

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000019297) never changes.

Identity and time

Publication numberOT-2026-000019297 · never reused
Internal UUID01a0ae6e-f392-7255-a94d-584c6a088093 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019297
StatusPUBLIC

Content hashes

Canonical text6394db0c20d6290b7cc4ed35c47b382eed7f77286f6f6e0e7b8d17cb43bc1be9
Markdown36faf7ba04ab0bc7c50514a0bb0b12315a4ca03f9ce349bed0d12ded1112308b
PDF
Publication pageae6098f11e6c9be608688f6bf7493950074c3c1df4b3fd482a4267eeff281b9a
Manifestdb1a35c88b342fdff1b9ba935b4f1834dfa3d1e4ab2dd7364854acd2e4e8f3cc

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
SignaturefN2GA8SA/6tyLsQCp0M9T9aA/7yLz68UnarHGkM/YA3Vn9kYFSZwWTzn3csDBZwNgx8HuE2J0jiycM7015dnBw==
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

2026-09-17T11:58:39.245319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019297
observed ae6098f11e6c9be608688f6bf7493950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:39.227233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019297/manifest.json
observed db1a35c88b342fdff1b9ba935b4f1834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:39.208447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019297/publication.md
observed 36faf7ba04ab0bc7c50514a0bb0b1231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:39.188208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019297/publication.txt
observed 6394db0c20d6290b7cc4ed35c47b382e...
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.