OpenTechnical

OT-2026-000022371

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off 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-2026-000022371) never changes.

Identity and time

Publication numberOT-2026-000022371 · never reused
Internal UUID01a0ae6f-f4fd-77de-b5e7-558fd916480f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022371
StatusPUBLIC

Content hashes

Canonical text739fd052eaaae2718df6e0df904cc405fa564b0e502d7bec2c70090b09cb6fe5
Markdownd4070bbdceda973cf901357a5978af3ac3db62326ea2bdea9f78b4e5efc1963e
PDF
Publication page6880f5d9e10382c09e00631344636fd317fe3edec831e1a6605d78ec471a94da
Manifest0ea9494ea9c1bd8fd3acec71673225a16eafc43d9fbbb3d65af9567de10cb6ef

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
SignaturepxM2LNwIEtDzIQf9oybI6uut6rLsHU/P22hUV7NqTAQrs/tkyuEKrQ2KgZQm9jiFmROTKGqkyw4yLZX5VGDmBw==
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

2026-09-17T11:53:44.471188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022371
observed 6880f5d9e10382c09e00631344636fd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:44.452608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022371/manifest.json
observed 0ea9494ea9c1bd8fd3acec71673225a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:44.433272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022371/publication.md
observed d4070bbdceda973cf901357a5978af3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:44.415171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022371/publication.txt
observed 739fd052eaaae2718df6e0df904cc405...
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.