OpenTechnical

OT-2026-000077737

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000077737) never changes.

Identity and time

Publication numberOT-2026-000077737 · never reused
Internal UUID01a0ae95-2ecf-72f1-a53c-423573680ed9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077737
StatusPUBLIC

Content hashes

Canonical textbad17db4438e9879af918a794fa5306b4ac7e4328c11312d252c295159f5cc4d
Markdowncee482916bc0b1a7163d8a46cc13435ee8a17454033efc8043f413f5d8d03997
PDF
Publication page72fa5d60ecc44d42ba382c63a16e13cf059fa25cf636ba5d8511e8dbd9c60231
Manifestfb6be240d7ba1433d55e96a3f69c58db35cd89e957b94395f90be9180d5d8df6

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
SignatureD24/kuMbDNOMIHZzPHTuhj9NBqODIFxa4kVTumdMYQ/H/qK7EnDdEqt52QOZNa9o1qMNcnaxCD/VNVUjceCfBA==
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

2026-09-17T10:07:18.927279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077737
observed 72fa5d60ecc44d42ba382c63a16e13cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.909750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077737/manifest.json
observed fb6be240d7ba1433d55e96a3f69c58db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.890719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077737/publication.md
observed cee482916bc0b1a7163d8a46cc13435e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.872112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077737/publication.txt
observed bad17db4438e9879af918a794fa5306b...
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.