OpenTechnical

OT-2026-000083502

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000083502) never changes.

Identity and time

Publication numberOT-2026-000083502 · never reused
Internal UUID01a0ae98-0415-7f22-bae5-d9d05c38dedc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083502
StatusPUBLIC

Content hashes

Canonical text304b3ee26a30516f61bd564ef65be3c6c51e0ea70bb1d19de3f2ba4100e92f4f
Markdown8460a23edbfd48069a1dd8a72f0961547307beb18a03a5ff22d65f28f6008774
PDF
Publication page575e1e27b770be13cb47e2972dd5bd5bb58db7d5e4ca66e6bf29b999b15550d5
Manifeste4f7e8234fb2b0327c4d934c585e563afff1b83963a99ac5db55440edde1e658

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
SignatureFMG/Dwyl/0r1ueGtplK3rxI6CWLsk0aeVkWM+cjl7rTIy95ZYCYGGlJngLHEIq0ZlqCZ+WRCTDHrPs/9VaqiBg==
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

2026-09-17T09:56:28.687569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083502
observed 575e1e27b770be13cb47e2972dd5bd5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:28.670771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083502/manifest.json
observed e4f7e8234fb2b0327c4d934c585e563a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:28.654943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083502/publication.md
observed 8460a23edbfd48069a1dd8a72f096154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:28.639679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083502/publication.txt
observed 304b3ee26a30516f61bd564ef65be3c6...
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.