OpenTechnical

OT-2026-000098147

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000098147) never changes.

Identity and time

Publication numberOT-2026-000098147 · never reused
Internal UUID01a0aea1-e963-74b8-b84d-dfc2b5a945f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098147
StatusPUBLIC

Content hashes

Canonical text1b1fbd38ca3411ec91c94bb9153b8e6478be1ef8dbf47d87276518d3f18d20d1
Markdown7f846ad05f06ff95b4ad333b380a1d28d7e8df37ae5fcae224d3b99b49c3dedc
PDF
Publication page1e2c2a5cdd65bdda5e64f7acec396515d74264e127219384431e64953cb641fd
Manifest04057293a75f121f23f11c6515a99085836cae33241625842b2c194512ebc2cc

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
SignaturenDFXThkNMP71GgoqhVNvF7wiVbcNOsK65PhnhT5VaOC6Z6KjD4Qj/iQ+qmabkHsq2fMvlI5EY374jjO2qr/AAA==
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

2026-09-17T09:31:17.710533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098147
observed 1e2c2a5cdd65bdda5e64f7acec396515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:17.694558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098147/manifest.json
observed 04057293a75f121f23f11c6515a99085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:17.676184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098147/publication.md
observed 7f846ad05f06ff95b4ad333b380a1d28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:17.657653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098147/publication.txt
observed 1b1fbd38ca3411ec91c94bb9153b8e64...
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.