OpenTechnical

OT-2026-000085461

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000085461) never changes.

Identity and time

Publication numberOT-2026-000085461 · never reused
Internal UUID01a0ae99-aaab-72ab-bb86-f544b4f0a6b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085461
StatusPUBLIC

Content hashes

Canonical textbff6abca40bbcc5e23be2ff80512b9bddb25b398360261f5b4f0de90ffec0897
Markdowne39ec859dac111b77abf81d809ab53b0b74885dd2b52494f7937ca0b03b69e60
PDF
Publication page4f3b490324c13694c5635562e8c06e464f0727be1c2cddcc431ad28f744cf89b
Manifest442152d30c6a8b9952714043e6694de8f5102f97ade06ef7395b21567340793c

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
SignatureSXilYubF7rccBax5ds5lmu84D+5DzBIFjcpJauZjPZJCWOb0mWRPcYhdMHCDSz3F0YYxVPH6Mzb/t9t3+cXBCg==
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

2026-09-17T09:54:15.169895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085461
observed 4f3b490324c13694c5635562e8c06e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:15.150855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085461/manifest.json
observed 442152d30c6a8b9952714043e6694de8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:15.131696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085461/publication.md
observed e39ec859dac111b77abf81d809ab53b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:15.113837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085461/publication.txt
observed bff6abca40bbcc5e23be2ff80512b9bd...
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.