OpenTechnical

OT-2026-000089819

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000089819) never changes.

Identity and time

Publication numberOT-2026-000089819 · never reused
Internal UUID01a0ae9c-428d-7bf1-9ea4-74ec9440ba0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089819
StatusPUBLIC

Content hashes

Canonical texte44a2a738499435ceea6ccd3d50036523f6148a715f84dfa0fa5abc9dafdadcd
Markdowna00e608d54a3bf5363b941b7e17c7a343ad26d022ea5e5919fffe04fb4942d78
PDF
Publication pagea762c08508e3c8a3ad507042201542411779826a7c748e01e00481bd8d200934
Manifest5dc0f85b069ddfa10818e2f5b77aa655d6e8a7f615d6360a7940fc7aa257d541

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
Signature1znXyyjGEFxkdkfkmi6D3tuBEe0tkvvVNHeXPvB82/tVKfaFS84gefnxJP4tjYIWyI00GwcRuHJ2h8QW/BDKAg==
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

2026-09-17T09:45:03.436289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089819
observed a762c08508e3c8a3ad50704220154241...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:03.417401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089819/manifest.json
observed 5dc0f85b069ddfa10818e2f5b77aa655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:03.399637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089819/publication.md
observed a00e608d54a3bf5363b941b7e17c7a34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:03.381495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089819/publication.txt
observed e44a2a738499435ceea6ccd3d5003652...
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.