OpenTechnical

OT-2026-000102343

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single 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-2026-000102343) never changes.

Identity and time

Publication numberOT-2026-000102343 · never reused
Internal UUID01a0aea4-50f4-7fcc-a476-8601eb9cb8c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102343
StatusPUBLIC

Content hashes

Canonical text797816c61b977405b436dc2ccbb764c9222337cd27cddbdbd91e6c95300f015a
Markdown3920d3c450664779e3ae557366710e94fb727d02b4ee06a280fe109e89da8bc6
PDF
Publication page5fdbbf74dda4fc59d4830f6cc6e25e99bf9208dfb005ce8e1c14528668e5598b
Manifesta437a586e6ccf337df776db021a4495292afa80029b373dbf610e6a478a867cc

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
Signatureu8gv6OcwdDHuf64sTQ1Q12lqcTE8wKqMAF1VVg9nL+/UqmvmY7xyFvr00V2nlEI3NbqfVbzxjQP8hehzm60iDw==
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

2026-09-17T09:25:33.214769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102343
observed 5fdbbf74dda4fc59d4830f6cc6e25e99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:33.198489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102343/manifest.json
observed a437a586e6ccf337df776db021a44952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:33.180035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102343/publication.md
observed 3920d3c450664779e3ae557366710e94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:33.163563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102343/publication.txt
observed 797816c61b977405b436dc2ccbb764c9...
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.