OpenTechnical

OT-2026-000047967

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000047967) never changes.

Identity and time

Publication numberOT-2026-000047967 · never reused
Internal UUID01a0ae7f-c422-7e79-b48f-abf3a18ae5af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047967
StatusPUBLIC

Content hashes

Canonical texte781cb16067999d08090451b72ff21fe734ba70e14278ecdf167b3d94a8eecc4
Markdownea38663e9c37023689fa997bb976ad8cb2cbc9781d6c7ddec9075291784dbd78
PDF
Publication page920c3751894f9b598d90f36bd22420000d9077f82fad00e0f05d224ee70c0b15
Manifesta7f7a292c7c9703dceafedf203b66129da466f3264a0525788e308b9fe0cb254

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
Signature+FiEHgJeIRHLGj8CQh1J+G1WZuA3sdWZQyGEtFZBzaABYLu/w3+dAECvNT+MqEbyRb4OXBO+Tu9riyxV+nVwBg==
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

2026-09-17T11:05:56.626215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047967
observed 920c3751894f9b598d90f36bd2242000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:56.606512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047967/manifest.json
observed a7f7a292c7c9703dceafedf203b66129...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:56.587794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047967/publication.md
observed ea38663e9c37023689fa997bb976ad8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:56.570200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047967/publication.txt
observed e781cb16067999d08090451b72ff21fe...
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.