OpenTechnical

OT-2026-000075478

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000075478) never changes.

Identity and time

Publication numberOT-2026-000075478 · never reused
Internal UUID01a0ae93-f201-7b30-9980-0b73a9ab8398 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075478
StatusPUBLIC

Content hashes

Canonical textb76a646dd7617a0866c9939a78f5e9f0173f39c5ac619cb28b1681e37eb64d3f
Markdownd62008341e12bcae9305adacdc081872278d465f4b99a29306015d513b7d802b
PDF
Publication page9181ea799cfc7d094bd9f114c4afcd77116aced287da8312198ba2bd986301bd
Manifest033e029671265842061775594b83cf6d4527694993bcfe123d21e415642d0b03

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
SignatureV54hqGFr1ojpMVAd/b8bE0bLP/eTgwmW9qR/grfzIu6T4bKINYdXFJDzp4YGoHKnWt1CmCYJvEn/WY/eLN69CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:17:47.705295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075478
observed 9181ea799cfc7d094bd9f114c4afcd77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:47.562154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075478/manifest.json
observed 033e029671265842061775594b83cf6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:47.543915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075478/publication.md
observed d62008341e12bcae9305adacdc081872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:47.525784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075478/publication.txt
observed b76a646dd7617a0866c9939a78f5e9f0...
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.