OpenTechnical

OT-2026-000048849

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000048849) never changes.

Identity and time

Publication numberOT-2026-000048849 · never reused
Internal UUID01a0ae80-c32e-78a7-b326-b7dc0caf4e0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048849
StatusPUBLIC

Content hashes

Canonical textbf509b6884253270c088d7d593c4abb0c260922a622ae99e54e99a76bf99ef46
Markdown4e67535bdd26c3fa6b6e2a5d39c54815f32199d3191451d215ee1a2cfe381cbe
PDF
Publication pagec1d1365945aa7b06fc66b1d34c41056355375a6168a1ba58f4690caa3f16bea0
Manifest223000b3c41f68fa6060bf62110c775282e523ab63202c61b6b75f753ad334cd

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
Signaturee2qH+u5lXbSumHZAlO2vTTT//oSvmVOrLzFGKqRMLPS+TVYabLDBxYKWrpyRUxt+k+9QI2wFYSkknKL9+18hAQ==
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

2026-09-17T11:04:38.843620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048849
observed c1d1365945aa7b06fc66b1d34c410563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:38.825192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048849/manifest.json
observed 223000b3c41f68fa6060bf62110c7752...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:38.807598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048849/publication.md
observed 4e67535bdd26c3fa6b6e2a5d39c54815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:38.788625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048849/publication.txt
observed bf509b6884253270c088d7d593c4abb0...
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.