OpenTechnical

OT-2026-000099004

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000099004) never changes.

Identity and time

Publication numberOT-2026-000099004 · never reused
Internal UUID01a0aea2-8287-7b22-ac2d-394d6e49a0cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099004
StatusPUBLIC

Content hashes

Canonical text66b969a2610c9ace981a1b8d2167942c33057cae4a80cc6c3b448ed82602e426
Markdown93c569b25ecba272a0fea817c921379bd7087be64a494cbb2c846e9fb7e022e4
PDF
Publication page4d7aef747d2aa07ee2aa84627999cd04625f63b33b43ab5401f7143c41c6115a
Manifestad3148fe618ee7eb3eb3c5dd76037e9a05702531e4db18b807b4028984b080ef

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
SignatureMhNLE5zCAo+73e61RpRghOpyqxiD3p1FkfNAxQJVvDcinVGTyj7JlEOC8fucigXR2A7279Hg5ucvpqHjoUPTAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:05.361582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099004
observed 4d7aef747d2aa07ee2aa84627999cd04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.341866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099004/manifest.json
observed ad3148fe618ee7eb3eb3c5dd76037e9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.324659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099004/publication.md
observed 93c569b25ecba272a0fea817c921379b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.309345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099004/publication.txt
observed 66b969a2610c9ace981a1b8d2167942c...
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.