OpenTechnical

OT-2026-000027678

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000027678) never changes.

Identity and time

Publication numberOT-2026-000027678 · never reused
Internal UUID01a0ae72-699a-78a4-9bba-4d0573fdb728 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027678
StatusPUBLIC

Content hashes

Canonical text68153c0defafd2b0965d114133ea88e3be61bcae778618f30e9a6aa195ac8340
Markdown04d79defa26cdeecca4420873802dc6c787de5ff51f9872da0f0afabfd9932fb
PDF
Publication page938d36ab75252beeb8e6e1dc908d6997ff909ece6fbf176c91002764e1635664
Manifestc1e09bd6695803512434dfa63a600601897cbcca6b5c837497c1b92c0463e5dc

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//bdp+l69VvFWnGbGy00rGf0yqHpnR3Pp9hhX7jWvplcOX3SxMV/smLnrazI+sc81vhW1rwICB234dRJinE2Cg==
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

2026-09-17T11:43:12.981677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027678
observed 938d36ab75252beeb8e6e1dc908d6997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:12.961955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027678/manifest.json
observed c1e09bd6695803512434dfa63a600601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:12.942883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027678/publication.md
observed 04d79defa26cdeecca4420873802dc6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:12.923220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027678/publication.txt
observed 68153c0defafd2b0965d114133ea88e3...
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.