OpenTechnical

OT-2026-000102185

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000102185) never changes.

Identity and time

Publication numberOT-2026-000102185 · never reused
Internal UUID01a0aea4-50f3-7272-b3e8-1659843ccff6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102185
StatusPUBLIC

Content hashes

Canonical text2638a63cad12b3abb2c8c7a0af9ce96edbc697bb8541e790f7acacc7ee25a4a1
Markdownadeec10bf8fed86df5ea5065a39ab814712f960cc09ed2f5aa7dd8462d79e46b
PDF
Publication pagee1bdb18b39f71c5c3c4caf80a4cf43a53b6ada9190251e37e1deb56df2390f31
Manifest49c0704e5f9f4bf763dadf70403732af9b34d08cf7d50aacb83a99938b1e777b

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
Signature+9f16eRxvMSo2V5gEVrUCAWkBZK7pyatKb1nYTxeifnqqov33jRMBSkv2BYy5cii9MCBE9dY3tOxJ/OlPYN8Bg==
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

2026-09-17T09:25:21.457881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102185
observed e1bdb18b39f71c5c3c4caf80a4cf43a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:21.439998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102185/manifest.json
observed 49c0704e5f9f4bf763dadf70403732af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:21.422360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102185/publication.md
observed adeec10bf8fed86df5ea5065a39ab814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:21.405518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102185/publication.txt
observed 2638a63cad12b3abb2c8c7a0af9ce96e...
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.