OpenTechnical

OT-2026-000073987

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000073987) never changes.

Identity and time

Publication numberOT-2026-000073987 · never reused
Internal UUID01a0ae93-2b8f-76a3-8207-2038d5615a1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073987
StatusPUBLIC

Content hashes

Canonical text02341636d9cc46e96f43720e2b6db0d23ae058625aa2599f967d6597929daa9d
Markdown7e2bcc26808c8233fd09370bb33834caa589fce6ecb3ea188d1763144e09a205
PDF
Publication pageefcd2734f9baa66a11f092a43da733ba3bc5d3661f56de688e58883ec5bcbfed
Manifest93f13a5bf547e73e5f32c4057cc18c0038bd2d56cb70387cccf9c6d17cbea152

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
SignatureWMwoT+NSNBu+Uuo4IExi9NIw6w28AInFVNV/XSN8EVAmGHWPRitc4obbVN7as2JFTAYF7yx1oQ5QKuTLP4jSCw==
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

2026-09-17T10:20:16.975381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073987
observed efcd2734f9baa66a11f092a43da733ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.957819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073987/manifest.json
observed 93f13a5bf547e73e5f32c4057cc18c00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.939168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073987/publication.md
observed 7e2bcc26808c8233fd09370bb33834ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.921987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073987/publication.txt
observed 02341636d9cc46e96f43720e2b6db0d2...
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.