OpenTechnical

OT-2026-000008809

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, 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-2026-000008809) never changes.

Identity and time

Publication numberOT-2026-000008809 · never reused
Internal UUID01a0ae6a-e46c-7dd0-a5bd-58276f8fb36a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008809
StatusPUBLIC

Content hashes

Canonical text9f5f0e3d96ef76b5b3749f522936b0f8562b34c7349384ee657d38e6bbb17240
Markdown550bc2970db49d2a35145712357a43c480830b8dda0309d6c53b57b5d3406c98
PDF
Publication page4676bc48c8cb59842a77be665813fea778acca4cbcc3aef6bc1581af8f96c26b
Manifestef348f8462ff9364255329a1c55e2b4e3d7d954d295f9d1e0fc3f2d994e59207

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
SignatureRvWvUBD3zCMygKyldaF3mmZFFjs7kZlZ3EBiZv/zzAx/CpnmurmFU2LHIJnsZz1JPWgmDEbny+PA8Pv+m1G7AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:05.990335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008809
observed 4676bc48c8cb59842a77be665813fea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:05.971412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008809/manifest.json
observed ef348f8462ff9364255329a1c55e2b4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:05.952854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008809/publication.md
observed 550bc2970db49d2a35145712357a43c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:05.931917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008809/publication.txt
observed 9f5f0e3d96ef76b5b3749f522936b0f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:45.000738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008809
observed 4676bc48c8cb59842a77be665813fea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:44.980089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008809/manifest.json
observed ef348f8462ff9364255329a1c55e2b4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:44.962694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008809/publication.md
observed 550bc2970db49d2a35145712357a43c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:44.943128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008809/publication.txt
observed 9f5f0e3d96ef76b5b3749f522936b0f8...
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.