OpenTechnical

OT-2026-000075231

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six 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-2026-000075231) never changes.

Identity and time

Publication numberOT-2026-000075231 · never reused
Internal UUID01a0ae93-f200-7661-b571-34e977f51ef9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075231
StatusPUBLIC

Content hashes

Canonical text34d42bdb0ec0711d538562249220d5141096759235db8e1d794071b2da5592d7
Markdownd7e26f81bc2217ef5678c41957ed705ce157650eb4fe74bd1e87dccf5618b7d0
PDF
Publication page7c6c747a6f04a284099195f33a9b039f899e91b1b91da8625c7557edb33fe6f0
Manifestf1d61a8fea918e58e5614d10bd4b6cc59cc243281ecf17e33f872b19f724c039

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
SignaturehRxL9Psgg8Mned0ce9Ys6k0ZaCc1+DMAMnZOR5wP7Mmvw65J9cBUV9c3TBPItsehIEvXa3NIypArbG12Ta0WAg==
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

2026-09-17T10:20:30.936763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075231
observed 7c6c747a6f04a284099195f33a9b039f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:30.919561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075231/manifest.json
observed f1d61a8fea918e58e5614d10bd4b6cc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:30.902200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075231/publication.md
observed d7e26f81bc2217ef5678c41957ed705c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:30.886077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075231/publication.txt
observed 34d42bdb0ec0711d538562249220d514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:47.973618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075231
observed 7c6c747a6f04a284099195f33a9b039f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:47.954998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075231/manifest.json
observed f1d61a8fea918e58e5614d10bd4b6cc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:47.812513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075231/publication.md
observed d7e26f81bc2217ef5678c41957ed705c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:47.550020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075231/publication.txt
observed 34d42bdb0ec0711d538562249220d514...
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.