OpenTechnical

OT-2026-000070020

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000070020) never changes.

Identity and time

Publication numberOT-2026-000070020 · never reused
Internal UUID01a0ae91-1861-7114-9bdb-7b27762fed2a · 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-2026-000070020
StatusPUBLIC

Content hashes

Canonical textc34e4d65365d17ccc8a28100c3f2c85b8f477e1346ce3a0de466ac41b822e15e
Markdownaf0e5df51e02c87b9185e11cbb41fdaa4d188fdd8aafc922e2bfe42f516e561b
PDF
Publication page99c84d7926c36e75353794c3cba06e9457930cb16d03e91688df09fc37bce435
Manifest7040829ded1d77cba167b6db7c86e6fd0501f3aceff0b70c954c34e2b348bf6f

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
SignatureyIN9mY7Gj1vBahoxBDnvvw+PSib+nkjOtHt1nBxUp6xZlgU1sbqSIsYXosXCmY97oUCwXgHJLjWYGYNBqb04Dg==
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

2026-09-17T10:26:58.398096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070020
observed 99c84d7926c36e75353794c3cba06e94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.380212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070020/manifest.json
observed 7040829ded1d77cba167b6db7c86e6fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.362873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070020/publication.md
observed af0e5df51e02c87b9185e11cbb41fdaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.346750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070020/publication.txt
observed c34e4d65365d17ccc8a28100c3f2c85b...
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.