OpenTechnical

OT-2026-000017124

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000017124) never changes.

Identity and time

Publication numberOT-2026-000017124 · never reused
Internal UUID01a0ae6e-76c7-7554-87b3-63a0c216b9ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017124
StatusPUBLIC

Content hashes

Canonical text6d5e8c2fcbc4dc2b9b5869c674ea6e25718d0d7083b2756a9302a7fb966394e9
Markdownca37d30c494f5c402597811460297889a37cf467183ae3ac7bcfa3f63df47521
PDF
Publication page3e206275974fe4f9d4f12d587f86cc02f22fef6bcacec83c98bd2b61cebd2dd3
Manifestbfe5ceeb9c003a48e040bbd3ba61c33e477b67279c10169f96e25ef77501e498

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
Signature9q1V4jXYesG69dVEurEgmn0GpeFgv1X9u4/OlogMHNNjZs8DTRdm0M+2Nf1Fimk2GgX3WdUDQbzlU/E3na/CAg==
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

2026-09-17T12:02:10.811460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017124
observed 3e206275974fe4f9d4f12d587f86cc02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:10.794931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017124/manifest.json
observed bfe5ceeb9c003a48e040bbd3ba61c33e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:10.774802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017124/publication.md
observed ca37d30c494f5c402597811460297889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:10.753924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017124/publication.txt
observed 6d5e8c2fcbc4dc2b9b5869c674ea6e25...
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.