OpenTechnical

OT-2026-000102561

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three 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-2026-000102561) never changes.

Identity and time

Publication numberOT-2026-000102561 · never reused
Internal UUID01a0aea4-858a-7596-a441-9c5f1c9a3452 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102561
StatusPUBLIC

Content hashes

Canonical text85ec6abfa4582c9017f1dc290b080ab3282d4a40ee1d6351281e7bd09c8b7682
Markdowne6226b748c3d16bc6a1c6d9687089ad3926e96e925a657138765bca7574544d3
PDF
Publication page08fe4f80f1964c7924198709f919df39bc61e4d70571e402abcbc2dbe7bb9946
Manifest89cf6062e9de36e36d141c75b161639131a21c92c0aed8b062fd1a416faa5332

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
SignatureEqYW+BRZSgCzniunnxihQtNyHSphRyqvmKxdFsQFCBl9/d89T3lfzgdKnqyffi0jgK4wHW+NqoNJtoNpMxSaDw==
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

2026-09-17T09:24:02.531801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102561
observed 08fe4f80f1964c7924198709f919df39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:02.514349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102561/manifest.json
observed 89cf6062e9de36e36d141c75b1616391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:02.497959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102561/publication.md
observed e6226b748c3d16bc6a1c6d9687089ad3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:02.480879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102561/publication.txt
observed 85ec6abfa4582c9017f1dc290b080ab3...
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.