OpenTechnical

OT-2026-000080983

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000080983) never changes.

Identity and time

Publication numberOT-2026-000080983 · never reused
Internal UUID01a0ae96-b975-7fc7-9bdf-1367ceb5b7d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080983
StatusPUBLIC

Content hashes

Canonical text7cc5749819e8e604ec884c4969cfb3e54b78c969333b45363b277b2083478f13
Markdown1efef7951f5ebebbeea26e974b094b177bb7e6a2af0d7aef691399dc20ab35b1
PDF
Publication page2eb2757c19ac5b27ce88bb1cc5e9bc4280190cc01fbc2b57c1fc0283dd4bc2e6
Manifest8725b55e5638014d7f48cb542b4316ce5a53a6031c3336bcc84239a9f23a7224

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
SignatureOrLL97K9+xuY0eagppEQ8Bp+PIlushY+0rqIInwN7gG18btD7KKnEJH0nL4PVjt6Io5f5s00PN2kXaNPtxSuDg==
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

2026-09-17T10:01:40.711955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080983
observed 2eb2757c19ac5b27ce88bb1cc5e9bc42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:40.694354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080983/manifest.json
observed 8725b55e5638014d7f48cb542b4316ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:40.677225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080983/publication.md
observed 1efef7951f5ebebbeea26e974b094b17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:40.658594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080983/publication.txt
observed 7cc5749819e8e604ec884c4969cfb3e5...
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.