OpenTechnical

OT-2026-000030605

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000030605) never changes.

Identity and time

Publication numberOT-2026-000030605 · never reused
Internal UUID01a0ae74-3fb2-7473-9516-0675cf0aee9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030605
StatusPUBLIC

Content hashes

Canonical text1f1d097f31eb1d0509a368e67286c8f44e4105d8c8c6fde055f69b11eb0bfa0f
Markdownc92f8a41b1052b481f7bfef1bbd8b8f90e36cc23807a969406da4b3c9f5fc5a9
PDF
Publication page79f4b772d8046ccfc69dc628a64cac24162f3a8cc51883df7afb72d1bfb8939f
Manifest97934ea581c2ee2da94b4291697e34546df2caf6a74848f399ca5c86436afdb5

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
Signature0dkv6sdk3ApCE3eJzyGWaCWvuHaBVwtIes1YH9KD/j1o7WUW+l066287h61rQ7LeXNBNRZuY77pBcE2HEtwABg==
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

2026-09-17T11:36:28.389165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030605
observed 79f4b772d8046ccfc69dc628a64cac24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:28.371800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030605/manifest.json
observed 97934ea581c2ee2da94b4291697e3454...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:28.354710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030605/publication.md
observed c92f8a41b1052b481f7bfef1bbd8b8f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:28.336538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030605/publication.txt
observed 1f1d097f31eb1d0509a368e67286c8f4...
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.