OpenTechnical

OT-2026-000075372

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000075372) never changes.

Identity and time

Publication numberOT-2026-000075372 · never reused
Internal UUID01a0ae93-f201-7a92-9fc5-895ff96f653a · 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-2026-000075372
StatusPUBLIC

Content hashes

Canonical text7361786f169b50e0c37abc662350c3f3ad9608be07fed91f03023c65d762111a
Markdown987ef7966908ae358186ee3d8faf4e660f2bf4301abc3870dd30d2fff6af2616
PDF
Publication page72195fb0b557fdc717b392cf2405b190b19e3582386bdc1fbf04794344720a13
Manifestadce4e96abf1824215c0a0ec5964f1713f66ad9367f9feb1e9433c2be1b0cdb2

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
SignatureZ/er0EgxjgUb+vY8Ja5d6k62vc+sDlvYYUcBVnl0T8AbXu1qRTXZe3ryfv/OkeCJXALMXuuSlzk+LCvzp2LLDw==
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

2026-09-17T10:17:23.196150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075372
observed 72195fb0b557fdc717b392cf2405b190...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:23.054283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075372/manifest.json
observed adce4e96abf1824215c0a0ec5964f171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:23.035095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075372/publication.md
observed 987ef7966908ae358186ee3d8faf4e66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:23.015666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075372/publication.txt
observed 7361786f169b50e0c37abc662350c3f3...
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.