OpenTechnical

OT-2026-000097080

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, 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-2026-000097080) never changes.

Identity and time

Publication numberOT-2026-000097080 · never reused
Internal UUID01a0aea1-01c9-736b-ab71-f3134d587f69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097080
StatusPUBLIC

Content hashes

Canonical text9d619f8b0e6b6a19a93d11eac2058da8683eca140578e4a5186c895a4448b78d
Markdownf4d13eca478c3c2e39c710877a5fd5a21375be946aed21b5d17044d03b9de7fe
PDF
Publication page231e4cbe37b17c99e10f238473ca7c4df041be31842f8ac0b9b2e1892f69009b
Manifest27dd8f67123eb8c5c425f13e05f56d2db18d84ae029f9fc1f95fb82dbfc6b2ee

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
SignaturewQzOaw0Sd+dU/wDMKNJCp+35/u0HwBjZzgrdCrYA+cQ/dTB5yrn35aC/9S4cZf2eGFDDFVl2dntiRuAalv9kAg==
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

2026-09-17T09:10:40.171708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097080
observed 231e4cbe37b17c99e10f238473ca7c4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:40.151660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097080/manifest.json
observed 27dd8f67123eb8c5c425f13e05f56d2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:40.126357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097080/publication.md
observed f4d13eca478c3c2e39c710877a5fd5a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:40.106783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097080/publication.txt
observed 9d619f8b0e6b6a19a93d11eac2058da8...
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.