OpenTechnical

OT-2026-000100654

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000100654) never changes.

Identity and time

Publication numberOT-2026-000100654 · never reused
Internal UUID01a0aea3-66f3-7d34-a200-18d8cf28c85c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100654
StatusPUBLIC

Content hashes

Canonical text81f02fd08b4fb61ff7450e14e6ccd346bfcd1cbc7c557757d23e61df1c0d474f
Markdown22fec066cb4c7abdcdaa1138b925692351b4b3b4b003795df5bff51817d41fd6
PDF
Publication page8c8a4ccabc7cb046a7414a6bc647bbf343bf708a8b6bc616a5efee3caeafc198
Manifestdb564719dd8bf2d481739cd9a6fa617de2f55558baa806426dd180adc946e6c3

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
SignatureGHm/BeJeENDPYUClfBFKuQUcFyHV8A5HsYZ4Tg5xD7QxaS8GLYlVVeFxkht9bfcC4zx2Nb5kA1ir1j80KT0ZBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:27.667200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100654
observed 8c8a4ccabc7cb046a7414a6bc647bbf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:27.648134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100654/manifest.json
observed db564719dd8bf2d481739cd9a6fa617d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:27.629533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100654/publication.md
observed 22fec066cb4c7abdcdaa1138b9256923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:27.612205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100654/publication.txt
observed 81f02fd08b4fb61ff7450e14e6ccd346...
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.