OpenTechnical

OT-2026-000074553

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000074553) never changes.

Identity and time

Publication numberOT-2026-000074553 · never reused
Internal UUID01a0ae93-717b-76d4-b589-cb28cd3ccd24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074553
StatusPUBLIC

Content hashes

Canonical text724a095ba18bc1b6e564ad5ba4f92ea06793383b58d6f175133f634557cbe392
Markdown604ba46e7a7b31caa4b0411d55b0d9f558d1b1073fda609a914c18579a51ca9b
PDF
Publication page2247343d5e14b2acba6ce4a8eb91c88118e0cf8f4b7c8eec50309ba3836a6209
Manifest5ce0adb3db09ad9044a7a72d53426d932807da4e330adef0f7f8ae8dc73024ff

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
SignaturehaXOUwjB6J76QlvxPieWT3pAGIGi0607DyXvR9Sk0BQW9dBSvIPLDR6MBoax52EIYWqCUXEgl06TKH2NO8xtBg==
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

2026-09-17T10:19:33.815825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074553
observed 2247343d5e14b2acba6ce4a8eb91c881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:33.794027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074553/manifest.json
observed 5ce0adb3db09ad9044a7a72d53426d93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:33.772976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074553/publication.md
observed 604ba46e7a7b31caa4b0411d55b0d9f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:33.753282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074553/publication.txt
observed 724a095ba18bc1b6e564ad5ba4f92ea0...
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.