OpenTechnical

OT-2026-000025081

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000025081) never changes.

Identity and time

Publication numberOT-2026-000025081 · never reused
Internal UUID01a0ae71-2729-7934-a4de-717d780bcab8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025081
StatusPUBLIC

Content hashes

Canonical text63d83d23d63bae429a20fe97889493cd17feb731b1babefa2179420c66e0b68e
Markdown76305b2da2103bf00efc08aa3295b7a8051f258ec095a47c4529fa338fb8e445
PDF
Publication pageb4d05fa69a269ecfb1af33b97ae05a74d4c5e804813c4934dbf30e018a0f13d7
Manifestf9f718711bd20dc5fa289c45157fb1b708806dec8b98f88f57f9d747a60239c1

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
SignaturecAuZKWZQ+ugYBI7SCM89EC3etHL+imtWM4l6ZpQtb+pSozotevXYDbO51sP/KPoe8GErh2SICOb3wU4AlwiCAg==
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

2026-09-17T11:48:29.856482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025081
observed b4d05fa69a269ecfb1af33b97ae05a74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.838800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025081/manifest.json
observed f9f718711bd20dc5fa289c45157fb1b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.820261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025081/publication.md
observed 76305b2da2103bf00efc08aa3295b7a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:29.803965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025081/publication.txt
observed 63d83d23d63bae429a20fe97889493cd...
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.