OpenTechnical

OT-2026-000074970

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000074970) never changes.

Identity and time

Publication numberOT-2026-000074970 · never reused
Internal UUID01a0ae93-ac2d-7607-be8d-0e406890fdc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074970
StatusPUBLIC

Content hashes

Canonical textda1c1982d13eb15cd55df59cb5d9050a64cf9fa08ba3a9cdcb8da9ffd149fa95
Markdown12546390d1aa6d97a8135884d25e6fb231e01efb5040a06b2cd72ec86804c185
PDF
Publication pageb6a3960583acca21159b7fd94afe699c035fd7ab8e44af69f8658d572d754a19
Manifest23c8850eae628dd7121982f28ce05bd61f6be2e93c98c1080dab4f3435e53572

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
SignatureB6Kv1KaF48NhecwQ0t25pA+xQSJ4+IB9kUBJu1ksoJTvOPnwzT2dXFQnkyTzxhIfOdBrHe43xo5mndJwM6BMBg==
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

2026-09-17T10:18:07.061110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074970
observed b6a3960583acca21159b7fd94afe699c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:07.041390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074970/manifest.json
observed 23c8850eae628dd7121982f28ce05bd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:07.021356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074970/publication.md
observed 12546390d1aa6d97a8135884d25e6fb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:06.967821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074970/publication.txt
observed da1c1982d13eb15cd55df59cb5d9050a...
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.