OpenTechnical

OT-2026-000027793

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line 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-2026-000027793) never changes.

Identity and time

Publication numberOT-2026-000027793 · never reused
Internal UUID01a0ae72-a4a4-733f-b48b-c7926fe8ac55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027793
StatusPUBLIC

Content hashes

Canonical textfc90c669aeb4a1c0befb16ea40252428a875f7b5760d4e3daa8ada41f4f5911e
Markdownc0c8968675a5ec6667122eeef7927add3578a690159cc54fd37ff1ad62218b1a
PDF
Publication page26dc4e87acc445673fe73801237ce3bb8dac1cb40c95b51b7bc9f2764c8d40d8
Manifest836ef42c1b0eca8cce155554c5030eeea61843e1cb4ac18341981a52b0d88bd0

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
Signaturemrx3a+895rlc+9Myhx7myX47SIDC+1N6XL7jSVmPabqqe1NQC9Fn7nw79Li87MIfMHDazdtbDQM9T14mublmDg==
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

2026-09-17T11:41:50.218351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027793
observed 26dc4e87acc445673fe73801237ce3bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:50.197934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027793/manifest.json
observed 836ef42c1b0eca8cce155554c5030eee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:50.177670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027793/publication.md
observed c0c8968675a5ec6667122eeef7927add...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:50.159394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027793/publication.txt
observed fc90c669aeb4a1c0befb16ea40252428...
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.