OpenTechnical

OT-2026-000077142

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-2026-000077142) never changes.

Identity and time

Publication numberOT-2026-000077142 · never reused
Internal UUID01a0ae94-f507-70af-9409-d8c56a23bb1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077142
StatusPUBLIC

Content hashes

Canonical textbdbdc9c8f32de72225cbc2e127c9a2041bbbe16e760a009ea79a316d276c756a
Markdown7c93177d11a96ce80082d7357b9e8d79a7518c4880a8333f98e6fde2b0560f3d
PDF
Publication page92886ac5026d63d35976c856f2b37326b686cecc53e02971f0dfecfa68cb61bc
Manifestd05eb2644280bf1d0727a7f34b7c680bdfa42178343dc596855780bca2ce407f

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
SignaturetbDrQgqdep0+7qqyKZsBFRW4hsByo8d5c1R3KlSb/HQnHyc44nYvFn2BGgRyJxjT+rO1B/Jx3Akbo+dkC82FDQ==
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

2026-09-17T10:11:45.556008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077142
observed 92886ac5026d63d35976c856f2b37326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:45.534270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077142/manifest.json
observed d05eb2644280bf1d0727a7f34b7c680b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:45.512746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077142/publication.md
observed 7c93177d11a96ce80082d7357b9e8d79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:45.491792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077142/publication.txt
observed bdbdc9c8f32de72225cbc2e127c9a204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:37.192884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077142
observed 92886ac5026d63d35976c856f2b37326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:37.174492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077142/manifest.json
observed d05eb2644280bf1d0727a7f34b7c680b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:37.157195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077142/publication.md
observed 7c93177d11a96ce80082d7357b9e8d79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:37.138069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077142/publication.txt
observed bdbdc9c8f32de72225cbc2e127c9a204...
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.