OpenTechnical

OT-2026-000045056

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, pulsed blow-off 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-2026-000045056) never changes.

Identity and time

Publication numberOT-2026-000045056 · never reused
Internal UUID01a0ae7c-f768-7ae1-a93f-98e2e970195e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045056
StatusPUBLIC

Content hashes

Canonical textb2f9e19c69e5499fce5f5830fe55d15b6a2f26ac58c5f614e4ef6ff94bd739ee
Markdown91f67cf484a005d97085dcdf7cdf0583b3512af4bab16fcd53dec321ca3fd3c6
PDF
Publication page117812a64c7e180742dc9f89b1b258aad51b76ae15c2ac4016800b637cd36133
Manifesteaa9ee628d8de04f4da11858335e74a07d94436e82ccc28c305136e8cdb5fc78

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
SignaturevcjTunsjZoJaWw6q17tiETchJ/QOHDdw2oMozx2wRVBXB4Hisc83McF3Ha+1BFXi57qvH1aQsCPxG7cv5ITtDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:04.858144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045056
observed 117812a64c7e180742dc9f89b1b258aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.841602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045056/manifest.json
observed eaa9ee628d8de04f4da11858335e74a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.822917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045056/publication.md
observed 91f67cf484a005d97085dcdf7cdf0583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.804917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045056/publication.txt
observed b2f9e19c69e5499fce5f5830fe55d15b...
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.