OpenTechnical

OT-2026-000064687

Publication integrity record

Foam pad vacuum gripper, four zone face, two 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-2026-000064687) never changes.

Identity and time

Publication numberOT-2026-000064687 · never reused
Internal UUID01a0ae8d-deb9-7635-807a-b512a9bdff93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064687
StatusPUBLIC

Content hashes

Canonical text088789e4ebbfd523f1fc8d806dd9388f1f6017e610713ef18213b52848fdb179
Markdowna454259445b56496382896088bb0cfe49d37f87bfdc1450590e419e4029d6896
PDF
Publication pagef9576bb3e8cbf1819e89d3ee225faecfdd50e0dbff8a9c998ac159dc25948457
Manifest19cf8c868399a802cbd152c57506b0a651f1e8a0c0559d842be1ea611fc1c6c9

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
Signatureb/nApOdqVZdNbHomleNvNN52F+8FlaB1JN3K8OKlATa8ut5FXw9iuQfqH6nkrXBs1e+EtYpSkONPVc4xX+OBAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:29.061080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064687
observed f9576bb3e8cbf1819e89d3ee225faecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:29.043920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064687/manifest.json
observed 19cf8c868399a802cbd152c57506b0a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:29.026365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064687/publication.md
observed a454259445b56496382896088bb0cfe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:29.009582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064687/publication.txt
observed 088789e4ebbfd523f1fc8d806dd9388f...
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.