OpenTechnical

OT-2026-000065331

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000065331) never changes.

Identity and time

Publication numberOT-2026-000065331 · never reused
Internal UUID01a0ae8e-1dfa-7d42-9a8f-3ce314fa8f59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065331
StatusPUBLIC

Content hashes

Canonical text28ee28cd19d14f2b82b476ecfd89568aa4612b26d1dae41bf2fe34051dad65a1
Markdown952c37feb62f30ad86aff4c5c4a1f6dd317069ef233a9573d9b94f654dbb2c35
PDF
Publication page8446fce06352e318c1cdc54d381906bf978fe5cd5fb22ba04a91ab0341db8d75
Manifest1900b6e3777959ca2dd2c39a09e72223705a82b61b222768d241245c04eebf66

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
SignatureRE0VfnnbIAuOw1cES+gPCFFAHVRiVFxdw5DoFZgCq6sx/USoqc4aHXAcpxelUBViHTTLvSesppzSu1y7dneZBA==
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

2026-09-17T10:35:18.720856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065331
observed 8446fce06352e318c1cdc54d381906bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:18.704139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065331/manifest.json
observed 1900b6e3777959ca2dd2c39a09e72223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:18.685732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065331/publication.md
observed 952c37feb62f30ad86aff4c5c4a1f6dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:18.667794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065331/publication.txt
observed 28ee28cd19d14f2b82b476ecfd89568a...
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.