OpenTechnical

OT-2026-000100354

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000100354) never changes.

Identity and time

Publication numberOT-2026-000100354 · never reused
Internal UUID01a0aea3-3054-784d-b728-69c057e99d4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100354
StatusPUBLIC

Content hashes

Canonical text5cf69dad7cf8fb08aaf958dd4b4921c174a1e651c54de964c0d87eeb69aed813
Markdown64135c63888750a7ab3c83f8680c8e6f4cd42ab182f135916f54a6a5473d4a1f
PDF
Publication pagef05568ef32ff70c43f3a60642e97de44524f04ea772403faca0a85b1e2a64c1a
Manifest66a2b5c7fa14f8fec085455b2cbe98998eb6f1e2fefd819952bb848dd14e995f

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
SignatureXVPnOnciCCf0aLU2S4b/8d05MbfqXYU2AC6YCICUrxjDauXTxux2F1xODc2dkuSGske/zxVUs2ZRFuoekSxyCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:18.314673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100354
observed f05568ef32ff70c43f3a60642e97de44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.294486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100354/manifest.json
observed 66a2b5c7fa14f8fec085455b2cbe9899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.271989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100354/publication.md
observed 64135c63888750a7ab3c83f8680c8e6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.249676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100354/publication.txt
observed 5cf69dad7cf8fb08aaf958dd4b4921c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.616393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100354
observed f05568ef32ff70c43f3a60642e97de44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.598422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100354/manifest.json
observed 66a2b5c7fa14f8fec085455b2cbe9899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.581735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100354/publication.md
observed 64135c63888750a7ab3c83f8680c8e6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.563441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100354/publication.txt
observed 5cf69dad7cf8fb08aaf958dd4b4921c1...
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.