OpenTechnical

OT-2026-000102026

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000102026) never changes.

Identity and time

Publication numberOT-2026-000102026 · never reused
Internal UUID01a0aea4-50f1-70fb-a852-2b549140d85c · 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-2026-000102026
StatusPUBLIC

Content hashes

Canonical text6baf93205a1d2cdf0bdc8e01e24ff5a09221736e1d8eb37e5b7e105d30fd6886
Markdown68a3de3c68a42558000338b1a9573e3e204706ffe5d3d7e8341f5825cd343f16
PDF
Publication page7bea739ed1c47392d02390531b251f3236821e43da34570c90695fb4d577dcc4
Manifest65ec49816fde76d67191e222348b9e8fd6c6715a6562908ad6b80db06defff1b

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
Signature6HYObLOnboYsYX9Zriy5G1CgqNqjsj8hSo3mm/va3igGF38mraZhSonuiY9oZ0ok9TSBD6S5LgK4iDSO+2yXDg==
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

2026-09-17T09:25:09.636887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102026
observed 7bea739ed1c47392d02390531b251f32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:09.617641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102026/manifest.json
observed 65ec49816fde76d67191e222348b9e8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:09.598863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102026/publication.md
observed 68a3de3c68a42558000338b1a9573e3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:09.579776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102026/publication.txt
observed 6baf93205a1d2cdf0bdc8e01e24ff5a0...
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.