OpenTechnical

OT-2026-000088757

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000088757) never changes.

Identity and time

Publication numberOT-2026-000088757 · never reused
Internal UUID01a0ae9b-8f10-712f-943c-d29fb583ecb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088757
StatusPUBLIC

Content hashes

Canonical text1a0846640d015c3f25ecbf8eaecfb057f1bc2009bfae815b24de2ed1169a094e
Markdown17e080b6a79519cc4dd9a833b8d46272c695b264635eabdf084ae8d29634c747
PDF
Publication page8a269860a1d185cca6ec562920913882235a1cc30b570709df9e1d7022af68ca
Manifest49f1c85e533f40b1d91ead5cce606a366f463c921537947affc8ff994e2f9da7

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
SignatureIQDvoxZS1cIY5Z80UmVJ2xBHwOeYeTvi+leXGGx2lciKYguDcHX6o26WYWsH5Fg7u2uCsdN041SvwTwOsNh+BQ==
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

2026-09-17T09:48:00.478914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088757
observed 8a269860a1d185cca6ec562920913882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:00.459173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088757/manifest.json
observed 49f1c85e533f40b1d91ead5cce606a36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:00.439592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088757/publication.md
observed 17e080b6a79519cc4dd9a833b8d46272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:00.422465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088757/publication.txt
observed 1a0846640d015c3f25ecbf8eaecfb057...
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.