OpenTechnical

OT-2026-000092987

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line 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-2026-000092987) never changes.

Identity and time

Publication numberOT-2026-000092987 · never reused
Internal UUID01a0ae9e-090f-7a72-9758-ad9069c44523 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092987
StatusPUBLIC

Content hashes

Canonical text446c3538133c070da9eff85ed94ef2f155ccd84a4435b412db2927c4ebfa2e49
Markdown791240cb5104f5ed8fd9d7f11e5f8ed10a8d2f0281ebe98d79ace523d2c1aec0
PDF
Publication page03fc58c347001767d5ea00cddbcb154ad41dbe15a42dd8a3e5b7f8568b6fcea4
Manifesta26f77a1fb7a073258cce98420bc1cb066b873634ff7db5cf1cda8814dd356d2

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
SignatureSfrI0LvfubmTNoVKJwyf0SwebdwwDs9fGdhvisaFpv48KuLfO6fAwZ5YlOR7eRFC9UKL+ZTh9dXvKACosteeDQ==
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

2026-09-17T09:40:11.309444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092987
observed 03fc58c347001767d5ea00cddbcb154a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:11.290611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092987/manifest.json
observed a26f77a1fb7a073258cce98420bc1cb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:11.272940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092987/publication.md
observed 791240cb5104f5ed8fd9d7f11e5f8ed1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:11.253755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092987/publication.txt
observed 446c3538133c070da9eff85ed94ef2f1...
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.