OpenTechnical

OT-2026-000054309

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000054309) never changes.

Identity and time

Publication numberOT-2026-000054309 · never reused
Internal UUID01a0ae85-b3a9-75f5-80a5-4186d36afa3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054309
StatusPUBLIC

Content hashes

Canonical text15c95929ce95124c9005a7f83ac97c0cd9e6b6e5fa7f4e771faf00fb79d8c245
Markdown5fbbe86d3db38c007e6ffce776d03eeefbc4b964f106906e12dc4ba0c59737bd
PDF
Publication page4e90ff44485ad7c1867181f1a7b56240a6283d3b5c0b74eaeaec500232a442f5
Manifest24071f9dff57bb2059476ea2636dd89059b1c4116a1e120e24c50a308e306c66

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
SignatureitzlKJVo7LBbFNm4IAtaXK0qihMzXZHhoUJ5EGtI4YRHRapgL4ZfvNL/xcS6SHwXZYkNLksYZocujE+EY4n2CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:48.863429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054309
observed 4e90ff44485ad7c1867181f1a7b56240...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:48.845477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054309/manifest.json
observed 24071f9dff57bb2059476ea2636dd890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:48.817652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054309/publication.md
observed 5fbbe86d3db38c007e6ffce776d03eee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:48.798812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054309/publication.txt
observed 15c95929ce95124c9005a7f83ac97c0c...
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.