OpenTechnical

OT-2026-000067659

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000067659) never changes.

Identity and time

Publication numberOT-2026-000067659 · never reused
Internal UUID01a0ae8f-6bdb-704e-92fc-8d1622f66cc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067659
StatusPUBLIC

Content hashes

Canonical text3d9fa5aab32e8e661dc9cb1ba3953f23141b6ab8a0f480644a77555150dc804d
Markdownd427bfb367a1a8554bd287ce1d5522c0f62c1dabf614a63788b6a7fd8119cb52
PDF
Publication page18629cd63406c9366aff873de76ccdb8d507ce491a89ac17c82c483aa9289977
Manifest15e0cc94c9a00c04c8659d5659e75f7110a389e3780ad5511ca785dadcb678cb

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
SignatureYAaUZoSbnxXQ3F6GMtLz+katpwmS3y1TQ70Pj+2X8LfVgkTf1bfABxTRV4mm1uE2dVB6gQFx4xzkBxKPnm/FCQ==
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

2026-09-17T10:31:59.400016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067659
observed 18629cd63406c9366aff873de76ccdb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:59.382883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067659/manifest.json
observed 15e0cc94c9a00c04c8659d5659e75f71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:59.366232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067659/publication.md
observed d427bfb367a1a8554bd287ce1d5522c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:59.349175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067659/publication.txt
observed 3d9fa5aab32e8e661dc9cb1ba3953f23...
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.