OpenTechnical

OT-2026-000045670

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000045670) never changes.

Identity and time

Publication numberOT-2026-000045670 · never reused
Internal UUID01a0ae7d-8f03-76a7-811c-2a2621cc20b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045670
StatusPUBLIC

Content hashes

Canonical textb5d27e3e5ac38ed45f40e3d0e18fefa0c92745767c10e16f10af48ec92aa1b91
Markdownb241498a493333cefda41f0ef2595c163561af65348bd9686bc790d4dc0e0803
PDF
Publication page75e7634f59d3ba92f2bd280f969bfdac9427c7d1616227c044fe4b5522e285f2
Manifestf50fcd49eb9d9160d98b1eb35fd859b71f45bf5836f65225befd6351cbbe6bd0

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
SignatureTqFyPtR2pif76ITmswJ1V0MoXvj8oEMwUMn7hlXcMg6YfcsGVFdEuNOVJp1LVLjDgTDtdm3jqQBzeTAs2onMDw==
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

2026-09-17T11:09:28.038663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045670
observed 75e7634f59d3ba92f2bd280f969bfdac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.020096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045670/manifest.json
observed f50fcd49eb9d9160d98b1eb35fd859b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:27.999448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045670/publication.md
observed b241498a493333cefda41f0ef2595c16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:27.980812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045670/publication.txt
observed b5d27e3e5ac38ed45f40e3d0e18fefa0...
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.