OpenTechnical

OT-2026-000087663

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000087663) never changes.

Identity and time

Publication numberOT-2026-000087663 · never reused
Internal UUID01a0ae9a-cd54-7813-a3a4-763db5c5369e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087663
StatusPUBLIC

Content hashes

Canonical textb8c36ab2c4920d3c9d88b8fcc1c9bb683fad40b66d06a02a7fd1bea66e93896f
Markdown419d8fe5112bc9d7653f01ec6d44f0e07650aa50ace732d0cad7dd960495d48f
PDF
Publication page0722854a75162f35197de13e5d5442d99227d5c0a61df463173998e3515c76fb
Manifestd9996e59de1f441fe69a218c3f6b6d439b18293f2dcc54419e1460315512ec96

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
Signature9qW7yK/q5CAlksJ1ZbrQS1/JDWG4lm//TWDZQgfEEdodTH0pAMtilgPDZ3Zlw2lhrlnsxn8EKJgG/bQ3xWTxBg==
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

2026-09-17T09:51:06.505431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087663
observed 0722854a75162f35197de13e5d5442d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:06.487993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087663/manifest.json
observed d9996e59de1f441fe69a218c3f6b6d43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:06.472205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087663/publication.md
observed 419d8fe5112bc9d7653f01ec6d44f0e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:06.455629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087663/publication.txt
observed b8c36ab2c4920d3c9d88b8fcc1c9bb68...
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.