OpenTechnical

OT-2026-000041300

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000041300) never changes.

Identity and time

Publication numberOT-2026-000041300 · never reused
Internal UUID01a0ae79-b144-75cb-8076-bf037ce0cb07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041300
StatusPUBLIC

Content hashes

Canonical text506993891ff381ea34b683ee4617efaa2d4b2e2059664a8682fe8c3d6bfe3863
Markdownda2ca7519299d7b9e67961db58434a1db390c7b77543f63f46250f9d3634cfd6
PDF
Publication page887e641719945aa3d50c2992f6270985fdb701b0a337b7f4f2d3aaf66e97ff8a
Manifest60c4a559d8ca990b9b600d739d96ad1842b1fb333f0f76fe8e522d4a5b178074

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
Signature0u/3u9g9DSjHvlCkplpY+5VKmrHkBIKIsehcekKTIgHHEQEipLEi9o0mZkNO+y2VS6bVPGH2Wa0AfNQMc6a+DA==
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

2026-09-17T11:17:16.964945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041300
observed 887e641719945aa3d50c2992f6270985...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:16.946582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041300/manifest.json
observed 60c4a559d8ca990b9b600d739d96ad18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:16.929628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041300/publication.md
observed da2ca7519299d7b9e67961db58434a1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:16.909133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041300/publication.txt
observed 506993891ff381ea34b683ee4617efaa...
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.