OpenTechnical

OT-2026-000065475

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000065475) never changes.

Identity and time

Publication numberOT-2026-000065475 · never reused
Internal UUID01a0ae8e-46f9-73e3-b61b-545e2fcd0a96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065475
StatusPUBLIC

Content hashes

Canonical text4abbdad52884da2f8e61433f140e8f9956bf69840bc2f80f85e3681e357be46a
Markdown0c6ca1756d67c5ebd399b930ed2e686a4d3a38e35a8c90ad7573732c77b85158
PDF
Publication page84bc7160686752b3856b7b3e8885230fc08dcd4b5503c55173e49c1f849df73e
Manifestfad00aae433f868c564d18a0136c9ec823f50f7de6dc462a26cd6d885fcbdc23

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
SignatureWo0r1exKBgBX0XKxVtHZfEWJ73Y9ndnCNHE8JBVQoHVcnVjcfSM/VGN45BgwnpnZ7RFBkCR56ZOf2s/4nmWFAg==
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

2026-09-17T10:33:45.494432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065475
observed 84bc7160686752b3856b7b3e8885230f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:45.475953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065475/manifest.json
observed fad00aae433f868c564d18a0136c9ec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:45.456118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065475/publication.md
observed 0c6ca1756d67c5ebd399b930ed2e686a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:45.435765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065475/publication.txt
observed 4abbdad52884da2f8e61433f140e8f99...
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.