OpenTechnical

OT-2026-000050250

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold 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-2026-000050250) never changes.

Identity and time

Publication numberOT-2026-000050250 · never reused
Internal UUID01a0ae82-5c46-74d5-a57b-99c4f7483ae4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050250
StatusPUBLIC

Content hashes

Canonical text832032e4e41dc5e0ed5a8f2c2399e80e42deeffcca37566632030c71f7d73045
Markdown4af6ebfcf83c46fbb6c76cb71e91c9a3a5b9ae47c304cbcb8c661be7a0f67102
PDF
Publication pagec511df955c631ee9ddbd7060d70c25d1ffda5be982f12a9f3d0be2885bb15281
Manifest89cd49805b5fefa95eed483a920d18d744fe0332db223bc729243ded4c3c62f5

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
SignatureIScLzkuCc2oiOpGQh8zmN8yLRXbbjRNjc7yGtV1zZRMWdTZ+axkPZsfZkOQWznhEGiIWATKPp1x7rlER9bmQCQ==
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

2026-09-17T11:01:14.962768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050250
observed c511df955c631ee9ddbd7060d70c25d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:14.947421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050250/manifest.json
observed 89cd49805b5fefa95eed483a920d18d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:14.930449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050250/publication.md
observed 4af6ebfcf83c46fbb6c76cb71e91c9a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:14.914580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050250/publication.txt
observed 832032e4e41dc5e0ed5a8f2c2399e80e...
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.