OpenTechnical

OT-2026-000027860

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000027860) never changes.

Identity and time

Publication numberOT-2026-000027860 · never reused
Internal UUID01a0ae72-a4a5-7c2f-8bb4-5849eeeab59e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027860
StatusPUBLIC

Content hashes

Canonical text8125bac7facf9f48b3807c953cc90373fc385ba8a2c3201a5d10e4a21f877690
Markdown33c0d9e985bc839a7a2735b400fecae4c712f43d11101d6f2dd0143e2b511154
PDF
Publication pagec502651963c2b9420a420056e5c4402152d297903d6d8876127c86b8e4416450
Manifest3bc276a6640aa4346c075ae0163a1987ee1f7bfc4f6890db66294cdcc749b760

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
SignaturemI0B1bBV0eGLOMqe092hEr8YIMui0/EOUh7DG+MGoC1ay0USkYZ4QTmPIVGgidjqVToWqqKkExQUnYTPKN8NDA==
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

2026-09-17T11:42:00.363483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027860
observed c502651963c2b9420a420056e5c44021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:00.344975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027860/manifest.json
observed 3bc276a6640aa4346c075ae0163a1987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:00.317650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027860/publication.md
observed 33c0d9e985bc839a7a2735b400fecae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:00.298508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027860/publication.txt
observed 8125bac7facf9f48b3807c953cc90373...
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.