OpenTechnical

OT-2026-000066539

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum 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-2026-000066539) never changes.

Identity and time

Publication numberOT-2026-000066539 · never reused
Internal UUID01a0ae8e-ce41-7323-83b8-0c989ba518e0 · 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-2026-000066539
StatusPUBLIC

Content hashes

Canonical text2fd32265589f610c3771d7ce90bc6ebadec04c501f8aa8a1d1578b1aa2bbf36e
Markdown77cfc3b70e1391ecd99723e9f9b39af022f9dfa6b25390bba996bdc66e53f400
PDF
Publication page85aa91ffe1d9231df3ee15b8c10b30e185202b8c44011bbff72d40ce09cf6d48
Manifest20030e9d4a04827dcc17368b8adc26d3f91f858e2c5f3e0c7c162421c16765f0

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
SignatureooP8Q2H91vhfY+ubcaPaJ3gwj8wPPIkBjvyLJf2KmNl0eGcc9hG6sZbCZiD0EH7/mca8cJj3i8YyDCIaEjU7DQ==
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

2026-09-17T10:32:48.268041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066539
observed 85aa91ffe1d9231df3ee15b8c10b30e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:48.250555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066539/manifest.json
observed 20030e9d4a04827dcc17368b8adc26d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:48.236162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066539/publication.md
observed 77cfc3b70e1391ecd99723e9f9b39af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:48.219685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066539/publication.txt
observed 2fd32265589f610c3771d7ce90bc6eba...
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.