OpenTechnical

OT-2026-000077982

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, vented after 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-2026-000077982) never changes.

Identity and time

Publication numberOT-2026-000077982 · never reused
Internal UUID01a0ae95-2ed1-78d8-8c4c-3161e9fc3696 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077982
StatusPUBLIC

Content hashes

Canonical text9241f54e5f277443d9798f499c1caae34eebc54f771804a82e8d9168103b5624
Markdown57003871462a4e12d239b13517d026e19d6b36cd9dc11cd75df0ce5b189cddfa
PDF
Publication page2fd40fcce8d03c6c85d4069778c531e4f3e6a0bf4f84c003f8dc14cc0292f55e
Manifestd48f533554dc2eada231d5b6f0de79115a37dc61410ef591d367c5448fbc6a0e

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
SignatureO/23cB7R7YYoTKMQWP5ACy+PnbqpG4FJjteRwTBbCO9+iuEwOTNf+G+Av0gC0Z3Sin6P2DoiPr/6svcc4HUyBQ==
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

2026-09-17T10:10:24.218048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077982
observed 2fd40fcce8d03c6c85d4069778c531e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:24.196892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077982/manifest.json
observed d48f533554dc2eada231d5b6f0de7911...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:24.052962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077982/publication.md
observed 57003871462a4e12d239b13517d026e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:24.028982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077982/publication.txt
observed 9241f54e5f277443d9798f499c1caae3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:16.027093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077982
observed 2fd40fcce8d03c6c85d4069778c531e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:16.009455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077982/manifest.json
observed d48f533554dc2eada231d5b6f0de7911...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.990617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077982/publication.md
observed 57003871462a4e12d239b13517d026e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:15.973176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077982/publication.txt
observed 9241f54e5f277443d9798f499c1caae3...
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.