OpenTechnical

OT-2026-000041866

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000041866) never changes.

Identity and time

Publication numberOT-2026-000041866 · never reused
Internal UUID01a0ae79-e8a5-7250-83b1-65efd9f2e67d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041866
StatusPUBLIC

Content hashes

Canonical textd6eed765336bdb2a68c9dd2e4a93630bc4adb24a9e0af304e6db3b6fb6653e18
Markdown160c2c8132ce08cf6a5eabaf5ca9b6cde02d1b6080f6e0e70864e4fd34aa4076
PDF
Publication page21fda2b9b091472e1ef7206b36a3bb2e2b6f385c0d2a36033abfdaba3c89dbaf
Manifest2e438471109d50a1a3cf4844b30ea31baa741520b06edabbd07eb7eb9b084793

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
SignatureZr3l3rk5w6su8o7MXkPmaXXqf91ZhuOuRWEbXPUZ6dXEJw87gIHwO6if6UYnCG/9yiSpj1QgU6YCtYsRpYrUDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:44.302211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041866
observed 21fda2b9b091472e1ef7206b36a3bb2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:44.286042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041866/manifest.json
observed 2e438471109d50a1a3cf4844b30ea31b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:44.269971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041866/publication.md
observed 160c2c8132ce08cf6a5eabaf5ca9b6cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:44.252378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041866/publication.txt
observed d6eed765336bdb2a68c9dd2e4a93630b...
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.