OpenTechnical

OT-2026-000075874

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000075874) never changes.

Identity and time

Publication numberOT-2026-000075874 · never reused
Internal UUID01a0ae94-29ff-73fa-9e43-0a52c5667357 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075874
StatusPUBLIC

Content hashes

Canonical textd23234d74f1234806ab9366133ac39149f84236291432a4fb788424fd46602fa
Markdown0aa560e60909ec8aa95b7c426a5cbf8239c10f92148d413f372d889d2311cb17
PDF
Publication pagee2a2c39bbe46df6b80ef6cef49f231bed18cab5accea7abd71b17c4db37a846f
Manifest18c6916635f72f46dda8d8a9ade5b9e1a3d8506a923e2bbda260295d04b7045a

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
SignatureOQVqTjPy5VD0lF/tfjDGkVD9ro8ilUXZB1q9noVFdyI/el6/f2ApNsTek+OdpTFUyjmcg7jZc9soh/A4mdOrCg==
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

2026-09-17T10:14:38.272453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075874
observed e2a2c39bbe46df6b80ef6cef49f231be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:38.253167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075874/manifest.json
observed 18c6916635f72f46dda8d8a9ade5b9e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:38.236097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075874/publication.md
observed 0aa560e60909ec8aa95b7c426a5cbf82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:38.218706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075874/publication.txt
observed d23234d74f1234806ab9366133ac3914...
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.