OpenTechnical

OT-2026-000096488

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, sustained blow-off before 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-2026-000096488) never changes.

Identity and time

Publication numberOT-2026-000096488 · never reused
Internal UUID01a0aea0-a4a9-7806-bef4-603b818c380c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:18.648440Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000096488
StatusPUBLIC

Content hashes

Canonical text00c8e34ee3e2ffbeea7c516d5cfccb09213bfde22e2288e9dbd3c843f07cbe8d
Markdown8b76ebbbc76756f9ba90c5042e23810dfb1e1f8ba807761ee7a26e1a71146523
PDF
Publication page40efaeacf5e897d19f5e91922ef3bee218dc0934276658a4547573c6cb12e672
Manifeste6206567b22500233261def2770e4c4423e395a73a4be8dc9db77ad03f1d8aab

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
SignatureAnoDjtPPbDI3FlcBc6YTx7EvQ0esE3JRRqPZGKPHPH3dCIZc2wujh/KUKDkA0HJlBF5FjCK2HYc/nwd9PZEkBQ==
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

2026-09-17T09:33:49.123039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096488
observed 40efaeacf5e897d19f5e91922ef3bee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:49.103780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096488/manifest.json
observed e6206567b22500233261def2770e4c44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:49.084221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096488/publication.md
observed 8b76ebbbc76756f9ba90c5042e23810d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:49.066975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096488/publication.txt
observed 00c8e34ee3e2ffbeea7c516d5cfccb09...
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.