OpenTechnical

OT-2026-000069924

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, vented 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-2026-000069924) never changes.

Identity and time

Publication numberOT-2026-000069924 · never reused
Internal UUID01a0ae91-1860-77e3-beaa-6f45cac7c6af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069924
StatusPUBLIC

Content hashes

Canonical text04dbced7c599e97d72379f5a9cf7aadbd2bb99d4bb0a3c495d03ba8879acd8f3
Markdowne0044f3b4cdb4cf2292f9eda3c63f768128b0713967427c05252af3a45be4062
PDF
Publication paged771ce381e4804603eee867377cb0d8a9d5806fb391dcb1ad4c9ca8e09e47ed4
Manifest97763c5c299ce0dd95e24f5c9cf6056c289c62a81df821578f64f579c69206c6

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
Signature8ECj9B2EbnX/f2cpY7fDBKTiKQ1WYHZNBtDwEus8FNkQHFbWcdG39kndHapqQYk2C0JnXsmcn7IV6+puO+4KAw==
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

2026-09-17T10:26:29.042472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069924
observed d771ce381e4804603eee867377cb0d8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:29.022963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069924/manifest.json
observed 97763c5c299ce0dd95e24f5c9cf6056c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:29.005135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069924/publication.md
observed e0044f3b4cdb4cf2292f9eda3c63f768...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:28.986503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069924/publication.txt
observed 04dbced7c599e97d72379f5a9cf7aadb...
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.