OpenTechnical

OT-2026-000045272

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000045272) never changes.

Identity and time

Publication numberOT-2026-000045272 · never reused
Internal UUID01a0ae7c-f76a-7a21-bb65-da798ab9e60a · 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-2026-000045272
StatusPUBLIC

Content hashes

Canonical textb4a2e3bfb5da7f641d241b127e361dda6d9b84a8e2c370b6acfe03add5d9615b
Markdownbb1bf32421325653589418b173ab14cb412762682eaf402e510432b23bc38b11
PDF
Publication page164af22703fa80197b54b47d216e4b59027e0dc6e3f8d2bf47a23f9fa8538605
Manifestf2409cca57b39150c900299ef247ee6caf6e1062a9c37e4ee009d2a05705fafc

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
SignaturesRgwTNdAJs9CzjNDaZX8o+LFh2U1nxyo/k+UDacVrRdjo+AGPyhGN28etYupWWiJdOLkoBIODUAmFPO6Vz2uCQ==
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

2026-09-17T11:10:28.988536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045272
observed 164af22703fa80197b54b47d216e4b59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:28.970852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045272/manifest.json
observed f2409cca57b39150c900299ef247ee6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:28.950740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045272/publication.md
observed bb1bf32421325653589418b173ab14cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:28.930046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045272/publication.txt
observed b4a2e3bfb5da7f641d241b127e361dda...
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.