OpenTechnical

OT-2026-000066787

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two 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-2026-000066787) never changes.

Identity and time

Publication numberOT-2026-000066787 · never reused
Internal UUID01a0ae8e-ce43-7335-9815-c59a1b75ea7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066787
StatusPUBLIC

Content hashes

Canonical text3d466ccd87bba4da697aaaf12d8641ba38f7e838531d1d70a93e90f3d729b90f
Markdown2c63473ae7e81b5d30af902bf85afd72738c95b6bc9749a9fc9e9c2bc6afd04b
PDF
Publication pagef8dc83112f94c5a3b5b9c48316e5d3f88d5a6b59a838ed2f90e8fb479d5c8db0
Manifest67f3081c02d3dc268eaf05f3aae7efa4656b5dff6f45855aba9ad8194cbd9a7c

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
Signature5c5Bsp1xOdNwbu2yrIVCLoJe11QlyfxmuxDAN7hi6a9rX58hfZdpx0hJuw54QWiwV0+Lnc/rt2EFoQAvkyjHCg==
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

2026-09-17T10:33:12.618887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066787
observed f8dc83112f94c5a3b5b9c48316e5d3f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:12.601749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066787/manifest.json
observed 67f3081c02d3dc268eaf05f3aae7efa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:12.581634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066787/publication.md
observed 2c63473ae7e81b5d30af902bf85afd72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:12.562194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066787/publication.txt
observed 3d466ccd87bba4da697aaaf12d8641ba...
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.