OpenTechnical

OT-2026-000102470

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, pulsed blow-off after set-down, on a tool changer

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-2026-000102470) never changes.

Identity and time

Publication numberOT-2026-000102470 · never reused
Internal UUID01a0aea4-858a-781c-a4c4-73edc368b4fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102470
StatusPUBLIC

Content hashes

Canonical textbeb449abcb7d9e3e977c5f1507e11ae40d0947b8aca273e59bca79df9732941a
Markdowna3d0502e8c704367e55b09f78be79b5998a50dbb90211237773eaaf05359c586
PDF
Publication page97b45f0125fa85157d8690c77aab35fb4082a8556975a0b72b6abbfaad1f3b84
Manifest5721fa852db599dd89cb425865d035536a6ca8428843300c85b5d4d80b281645

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
SignaturerVF1Ou7qkQY/dhN2hPvHAzyDDuTVrqajU/RPtXAIo9A9rqcOf6mpSnpaoi8uxAKy4qVrAZsFWAtVoNiY1nvxAA==
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

2026-09-17T09:23:49.382703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102470
observed 97b45f0125fa85157d8690c77aab35fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:49.363930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102470/manifest.json
observed 5721fa852db599dd89cb425865d03553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:49.344901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102470/publication.md
observed a3d0502e8c704367e55b09f78be79b59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:49.325544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102470/publication.txt
observed beb449abcb7d9e3e977c5f1507e11ae4...
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.