OpenTechnical

OT-2026-000080337

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000080337) never changes.

Identity and time

Publication numberOT-2026-000080337 · never reused
Internal UUID01a0ae96-7e77-71f1-819a-ada689960768 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080337
StatusPUBLIC

Content hashes

Canonical textdd6fafbebf02ae70e26e041b6a3fa359aa837c496df2308f0ad7737988d0543d
Markdown08b0760b49b8da190f3ee159d0c1286586c05a12c2d7f0e12b7989a0af2ff872
PDF
Publication pagefa224f71c046b6fdbb429d8b5c9d9b210c5f9b155e810c8706c206f98ab59a8e
Manifest57ce41a2ebf693d97f08e006983c99cf00547e847e2d51c57ba4dc3df0580eff

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
SignatureMeL/rakEoBsum6i2UOJmi2s6UmsnugUOSiAWpMEJ74q978YqgmuNQL1XpmAMabwWXSvYg+0EzBxoHuY2yVaICg==
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

2026-09-17T10:02:48.949483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080337
observed fa224f71c046b6fdbb429d8b5c9d9b21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:48.930151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080337/manifest.json
observed 57ce41a2ebf693d97f08e006983c99cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:48.913042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080337/publication.md
observed 08b0760b49b8da190f3ee159d0c12865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:48.895631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080337/publication.txt
observed dd6fafbebf02ae70e26e041b6a3fa359...
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.