OpenTechnical

OT-2026-000074825

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000074825) never changes.

Identity and time

Publication numberOT-2026-000074825 · never reused
Internal UUID01a0ae93-ac2c-7ffa-8b8d-b7dce122057f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074825
StatusPUBLIC

Content hashes

Canonical textc58addd883ca8054305d9118c242172480efe23767744b33ad8009e796d98258
Markdown797ba395821b6203c89852d96be664b7d613fb1ebb4941dab72be88fc2a9fa9a
PDF
Publication page279da9e2424039070696d5639aa20717233d5a61e2d95b11fe13392a02b006c9
Manifestafd12d181b5ba376c04ccd5b191b18b5ca27ad09bd79013af8a47cef5445fbaf

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
SignatureNHR/gdyoAO2gl2vC9f5vGRJYB3MLz4ArfFzLbXYCbSpCotEHEJ2EqcLVPLFM3PLNUHAeGphKD4NLshEOpockDg==
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

2026-09-17T10:18:32.096921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074825
observed 279da9e2424039070696d5639aa20717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.081405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074825/manifest.json
observed afd12d181b5ba376c04ccd5b191b18b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.065363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074825/publication.md
observed 797ba395821b6203c89852d96be664b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.048162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074825/publication.txt
observed c58addd883ca8054305d9118c2421724...
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.