OpenTechnical

OT-2026-000063891

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, 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-2026-000063891) never changes.

Identity and time

Publication numberOT-2026-000063891 · never reused
Internal UUID01a0ae8d-53bb-7b35-ade3-6a89256a3933 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063891
StatusPUBLIC

Content hashes

Canonical text8a1c7c23a6f7349a0e6970454a2be679eab9cdfc153cbece1b5766f8509425dd
Markdown405351605c3fbfccdf2ca3ab73ee5946f5676e40af099e23df6bd38d006599ab
PDF
Publication pageb553acf989d5b45074d45355a2169114d09f917b1f66161018398761e942e7c1
Manifestaaa3de4a25f023de55114ea710d27e9403b77b12a7fb7d7752924057e35b3c43

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
Signature3VV/RiAh4SgebTFrZSTEY9K5fpYX+rD8FWTpy/UZcYw+Nm84Kgh+iLUtDPn+T52Rezi0vwo5CRt3+gMSFY2qBw==
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

2026-09-17T10:36:56.130391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063891
observed b553acf989d5b45074d45355a2169114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:56.111589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063891/manifest.json
observed aaa3de4a25f023de55114ea710d27e94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:56.095592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063891/publication.md
observed 405351605c3fbfccdf2ca3ab73ee5946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:56.078167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063891/publication.txt
observed 8a1c7c23a6f7349a0e6970454a2be679...
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.