OpenTechnical

OT-2026-000104340

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pulsed blow-off 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-2026-000104340) never changes.

Identity and time

Publication numberOT-2026-000104340 · never reused
Internal UUID01a0aea5-3421-7fd7-b343-008c66260ba4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104340
StatusPUBLIC

Content hashes

Canonical textcd174990eefdae79fb85b6016b9f2cb24b81e10aa1d38cd1793e36e9e355e4ea
Markdown68b13aca66852da6a443633bad89cfc2ee46257a3130b5fcb16dc2a5311345a0
PDF
Publication pageab93ae3446e33c26a85a895fecf4f16294acbad9eb9f6bc7a664439b187bb0c9
Manifest1c3d979987d807c33a99d146de446cf63d381ad772888a43772201643ea5d345

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
Signature4AWcOpEm972efSmuK3CWHpvC9UlFDBvMUBCf1rj0RfeFWkoLsfqfiOwKlifHasrOyU4zIBKmELjk0CXY5AKpBw==
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

2026-09-17T09:21:35.699152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104340
observed ab93ae3446e33c26a85a895fecf4f162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:35.682206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104340/manifest.json
observed 1c3d979987d807c33a99d146de446cf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:35.665301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104340/publication.md
observed 68b13aca66852da6a443633bad89cfc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:35.648531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104340/publication.txt
observed cd174990eefdae79fb85b6016b9f2cb2...
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.