OpenTechnical

OT-2026-000051081

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000051081) never changes.

Identity and time

Publication numberOT-2026-000051081 · never reused
Internal UUID01a0ae82-c7b5-7d05-ab06-80f1a0c957f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051081
StatusPUBLIC

Content hashes

Canonical textad754be06cdc374dd016576a68c8bb8251cfeb77ddb8ab90a5e1fcad4f7913aa
Markdown85973c1c1414d7257aa06d029a4a70376e5ef3eddf155a23eef4ac3176254980
PDF
Publication pagee57b8b0ae99c47ba1ff0aa081b7ea2371775d482df38c8c204d24adb5132b1b0
Manifestde56b8b32c965afd5d66dd06cdf4c29cd5b38b24c5ac3e86e97af00c2f095310

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
SignatureEtVWv4OnSptWWF9X6rYtEy0JagbGMjcNzvjcpagbRzSJcMN48k9XoEBoSvNNNoPd3c1TsrpG6YL+18Eppn19Dw==
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

2026-09-17T11:01:00.976953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051081
observed e57b8b0ae99c47ba1ff0aa081b7ea237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:00.958122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051081/manifest.json
observed de56b8b32c965afd5d66dd06cdf4c29c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:00.937808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051081/publication.md
observed 85973c1c1414d7257aa06d029a4a7037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:00.918922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051081/publication.txt
observed ad754be06cdc374dd016576a68c8bb82...
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.