OpenTechnical

OT-2026-000082290

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000082290) never changes.

Identity and time

Publication numberOT-2026-000082290 · never reused
Internal UUID01a0ae97-4d94-711e-836e-4b4aa713f883 · 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-2026-000082290
StatusPUBLIC

Content hashes

Canonical text71ef2d2e73d19e8c2b418a656f51a08716532035bd2e99c8d9fabd117abc4279
Markdown07a73f9224bdb43a40e0e0b85504af979f19eb8b7404bf7fd5ea65320f227044
PDF
Publication page6591fccab0d70536929852296efb90cc45483a30a60cfbcf820c465cbd8fdcf6
Manifestc82491ce58ee381b052d48b209413aa388976abfc10f65c3f20fbcaacb99ad6a

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
SignatureducM8nD2aOMtLGN3STjXzxl7kQOeJ1eelFwSsOuoiCO3OfcWcC3vgn962sexQR4z395TqMg9DwXRnSNyO36yCA==
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

2026-09-17T09:59:08.998839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082290
observed 6591fccab0d70536929852296efb90cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:08.981794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082290/manifest.json
observed c82491ce58ee381b052d48b209413aa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:08.947610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082290/publication.md
observed 07a73f9224bdb43a40e0e0b85504af97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:08.913684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082290/publication.txt
observed 71ef2d2e73d19e8c2b418a656f51a087...
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.