OpenTechnical

OT-2026-000082228

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented after set-down, on a tool changer

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-2026-000082228) never changes.

Identity and time

Publication numberOT-2026-000082228 · never reused
Internal UUID01a0ae97-4d94-76b5-97cd-786d5e9d261e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082228
StatusPUBLIC

Content hashes

Canonical text668685f74fb168a19dd88b5d49aee2c4456a84ac188ebf5aaf64866c4d4a6a42
Markdown73c7291000b8b0b335812b3ceb0a20fd20838ae36f500c7cc4cb87357cff082e
PDF
Publication page934d9f73e3f11f9bef6ca2ba5b7bc09fcb5b2aaa25f0ccf55cfbb2056274b0b6
Manifestcce6d79bf60cac91991bba5f789f9b06c95569d6e5183cf1f1f1c15d9ea9eeaa

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
SignatureyDwOCDcPVCuOo94Yvj1R85Wzhfnj6pT8IXw5qliNO9oYSFeTGoIjBx67wGPapINoaekrvFiF9sYleUwwz4YOBw==
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

2026-09-17T09:59:04.197828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082228
observed 934d9f73e3f11f9bef6ca2ba5b7bc09f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:04.181027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082228/manifest.json
observed cce6d79bf60cac91991bba5f789f9b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:04.162042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082228/publication.md
observed 73c7291000b8b0b335812b3ceb0a20fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:04.144219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082228/publication.txt
observed 668685f74fb168a19dd88b5d49aee2c4...
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.