OpenTechnical

OT-2026-000013475

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pulsed blow-off before set-down

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-2026-000013475) never changes.

Identity and time

Publication numberOT-2026-000013475 · never reused
Internal UUID01a0ae6d-6fca-7ea9-8163-0ce890444911 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013475
StatusPUBLIC

Content hashes

Canonical textd02efd52c8ab263ae94f5299e1b7a8074b97ebedd66efe50c342ad7854274588
Markdownb7e0879026ca7f0bd08623df4b8b094e2b724d78142d75236c8cb9e76f82674f
PDF
Publication pagef350688e2515aff5ee97532648c9c4f4546384dd58c11a91853de9ba933fe7ae
Manifest7afb41b70b2c34d7d5ab1ab9f8f0b7b2526abcd521828e5430579b6dce20b2fb

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
SignatureSHsx5dl+3Y3DLPl6v3Xu7w9AmDm2Vegb4dyti3UHL2FsF01+EM58VcFwcMfWoOGNHun1cr905sHQKb1J63DNAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:09:58.558292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013475
observed f350688e2515aff5ee97532648c9c4f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:58.541158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013475/manifest.json
observed 7afb41b70b2c34d7d5ab1ab9f8f0b7b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:58.523870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013475/publication.md
observed b7e0879026ca7f0bd08623df4b8b094e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:58.504949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013475/publication.txt
observed d02efd52c8ab263ae94f5299e1b7a807...
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.