OpenTechnical

OT-2026-000095242

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000095242) never changes.

Identity and time

Publication numberOT-2026-000095242 · never reused
Internal UUID01a0ae9f-8f70-7b7e-b123-29c1088ff1d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095242
StatusPUBLIC

Content hashes

Canonical text61f411940582eea3afd09492cb54075dff9ee3e053aa1f2867d5196ff88df5ce
Markdown547d6c91ab20314baed7c42f65ad41c53fed7d5efe6e607b943d8da08d7e6e1f
PDF
Publication page92bd6c24006fdc8499c9c236298c0aa61f02f6299f11d41171dd2425f0ca7f92
Manifest3072a46d113d5089f98748615941fc4691ff5204218e9a8fe6b87b1da59c8a15

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
SignatureK4IG2M4S8ouvO9Zem3z64gJq0F8K8Vw3c9U40aLEVBV3mBSANUSZtZFKlDdiPg3P+NAmPuV8Jyq33HUubO2JCw==
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

2026-09-17T09:36:34.091290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095242
observed 92bd6c24006fdc8499c9c236298c0aa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:34.075515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095242/manifest.json
observed 3072a46d113d5089f98748615941fc46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:34.058445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095242/publication.md
observed 547d6c91ab20314baed7c42f65ad41c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:34.040576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095242/publication.txt
observed 61f411940582eea3afd09492cb54075d...
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.