OpenTechnical

OT-2026-000048817

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000048817) never changes.

Identity and time

Publication numberOT-2026-000048817 · never reused
Internal UUID01a0ae80-c32d-7bbe-b861-f364e610d2f2 · 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-2026-000048817
StatusPUBLIC

Content hashes

Canonical text3306df3b4b9b84eb8d43204510e8e3a46d9e171e2af23230bd6f671a719d4003
Markdown34d8b69a3ed3b9a991f7d030a799932aff2779c4b1224f33c4e595386fb51224
PDF
Publication page7b728a5668ed7a7e8303a9c4e73a86720f290b3aaa7001452ae26dbac9d5dee5
Manifestc030e4b2af501696e2439726ee9ded247ff166a8dcd9422cfb82e8bb1e1923f9

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
SignatureWebOU5e/oBUMibwIBLmPsAMoHnotRAOJbnpQeqAFS4TgzmSRMQL4ykduezhBi3HQSsCx/LpS6lj927pCmCntDA==
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

2026-09-17T11:04:32.723680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048817
observed 7b728a5668ed7a7e8303a9c4e73a8672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:32.701242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048817/manifest.json
observed c030e4b2af501696e2439726ee9ded24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:32.674066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048817/publication.md
observed 34d8b69a3ed3b9a991f7d030a799932a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:32.651007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048817/publication.txt
observed 3306df3b4b9b84eb8d43204510e8e3a4...
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.