OpenTechnical

OT-2026-000076900

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000076900) never changes.

Identity and time

Publication numberOT-2026-000076900 · never reused
Internal UUID01a0ae94-b070-70ff-9d1c-9c62cc2ee62f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076900
StatusPUBLIC

Content hashes

Canonical textb965ec0baece9d340db3ba35c2c591e9fd2b6a905a6dceda175e20df52d8019d
Markdown2647ea005cd91fed31f2e3d5400fee3155a2ec44056461dc7955d128e185b424
PDF
Publication page8ac61fdf22ddfd1ddb708192788f90c97f29c8443dd1363574448d4c858130c2
Manifest4390f1c9774764012af1e728ac8b1177bd948b92b5665ef41a0bdcdb01c67b62

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
SignatureREyFgyut8b4jt17h0GNIO+KYDBwiMdOyhaf7ZewyxuVVCfSBYI3kCx3vnjq8zhLuhuL0xPIhpUVXATCpwLYgAA==
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

2026-09-17T10:09:48.576461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076900
observed 8ac61fdf22ddfd1ddb708192788f90c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:48.557539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076900/manifest.json
observed 4390f1c9774764012af1e728ac8b1177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:48.510880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076900/publication.md
observed 2647ea005cd91fed31f2e3d5400fee31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:48.493131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076900/publication.txt
observed b965ec0baece9d340db3ba35c2c591e9...
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.