OpenTechnical

OT-2026-000085534

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, sustained 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-2026-000085534) never changes.

Identity and time

Publication numberOT-2026-000085534 · never reused
Internal UUID01a0ae99-aaac-73ea-841c-0b27b1c5a87d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085534
StatusPUBLIC

Content hashes

Canonical text72bd86ae1bcafac775b47695acb5dc2ffc6fa3e61b1c299c114cfb0b96fbe71e
Markdown3c6b0d49c1eb93804a8feb779f7e1f9285e5f650638a0e2d3f8ed80a0cc513ed
PDF
Publication pageeda2b494252395e78fdaca0a6958b21bfeab160e5987fede8170ea97b15ec228
Manifest6e2f6ec6df1abc1ee2163e1e65acfc23698ee8221c866ec4f476c62abc5467a8

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
SignatureQOCSezAbpR727AsWZMXuLwclufE1ACnWRlwZuy1t6UtAT3JWeqP6EfgN5gKcPC1kTiTjd5lyKdMazfGLikYzAQ==
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

2026-09-17T09:54:21.273210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085534
observed eda2b494252395e78fdaca0a6958b21b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.257371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085534/manifest.json
observed 6e2f6ec6df1abc1ee2163e1e65acfc23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.239635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085534/publication.md
observed 3c6b0d49c1eb93804a8feb779f7e1f92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.222893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085534/publication.txt
observed 72bd86ae1bcafac775b47695acb5dc2f...
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.