OpenTechnical

OT-2026-000064750

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000064750) never changes.

Identity and time

Publication numberOT-2026-000064750 · never reused
Internal UUID01a0ae8d-deba-7fe4-b328-0a571794fe71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064750
StatusPUBLIC

Content hashes

Canonical textcb2b05a124fa946e3fb7574205cc63d6835bb3162483eb122a3eb69aebd85b81
Markdowndcce4c7cc2ce6c2dfb0b612bd87479f4b2a956ceee831e4ab578d0160bd11c76
PDF
Publication pagecd0470d2911549a47bfb41e040780ec1da45caf637e1e8b4c1d3807dea83db03
Manifestef13ddce06c75bf7b28713870fe209b6ddfa09e581c510179bff3995f15d9e9c

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
SignatureygPvyFWV7XHaK+e22XgGzSupM89zEfp/poujyptWI3RC00ao+mvR9hNEwPcVwJ2Q0nFO9FUrNtnrBUSDBKGtAg==
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

2026-09-17T10:35:37.964965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064750
observed cd0470d2911549a47bfb41e040780ec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:37.948039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064750/manifest.json
observed ef13ddce06c75bf7b28713870fe209b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:37.930036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064750/publication.md
observed dcce4c7cc2ce6c2dfb0b612bd87479f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:37.911480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064750/publication.txt
observed cb2b05a124fa946e3fb7574205cc63d6...
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.