OpenTechnical

OT-2026-000092226

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, 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-2026-000092226) never changes.

Identity and time

Publication numberOT-2026-000092226 · never reused
Internal UUID01a0ae9d-875a-78d3-b18f-bbaba1b5cf8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092226
StatusPUBLIC

Content hashes

Canonical text89727ad5cb85a4e3ad95b1505fd4c38852591caa90d0a12b9353d107d2e0a776
Markdown60216378152595e5038d0dda10c8a99a6bdc0a708d95ca97f0bb71b3face5879
PDF
Publication pageb712259b5fccc3d07eea353483b1b9936876a0bb76d514fb12e99afd0ea7d67f
Manifestdf1772ea92c8dab39e3df98d40e1b23986f603c22204f014b6bd0296c3b73b2e

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
SignatureWWWhGuw2B2OToZAHi0xHvi8w2GIhfYs84+b/5VkMW9Omv/B83hPPF1hVi8v9mJZua0Oosslziblbpr6cvEtoAA==
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

2026-09-17T09:41:44.558352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092226
observed b712259b5fccc3d07eea353483b1b993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:44.540948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092226/manifest.json
observed df1772ea92c8dab39e3df98d40e1b239...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:44.525017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092226/publication.md
observed 60216378152595e5038d0dda10c8a99a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:44.506321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092226/publication.txt
observed 89727ad5cb85a4e3ad95b1505fd4c388...
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.