OpenTechnical

OT-2026-000066859

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000066859) never changes.

Identity and time

Publication numberOT-2026-000066859 · never reused
Internal UUID01a0ae8e-ce43-75be-b805-aa1229e149c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066859
StatusPUBLIC

Content hashes

Canonical text0c58e4f78bf8631b2466d7789a7279174d97bb068be11d71d930f7ba1734aa5e
Markdownece47090cb4ca2c00902db39a190ee3e5736e9f70f7443180a413f010b775f27
PDF
Publication page0c3a9dfc9e5e349a180d7e691a62ec4ef61a9c8509dc07958fd277dcf331d741
Manifest3644c7a2753cf0dfa4b829907ee26e7a09574b03b9eab0fb20659500a7959c47

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
SignaturezrMsQ3WHXeF03uSPtH+AeQq+GzQ9xHlFca3zmMiY8dhx80dkVM0fkiW7AaHESH8AD5KqiW72KbIk1asBKbETDQ==
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

2026-09-17T10:33:18.079995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066859
observed 0c3a9dfc9e5e349a180d7e691a62ec4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:18.062902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066859/manifest.json
observed 3644c7a2753cf0dfa4b829907ee26e7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:18.044274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066859/publication.md
observed ece47090cb4ca2c00902db39a190ee3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:18.026041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066859/publication.txt
observed 0c58e4f78bf8631b2466d7789a727917...
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.