OpenTechnical

OT-2026-000058354

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000058354) never changes.

Identity and time

Publication numberOT-2026-000058354 · never reused
Internal UUID01a0ae88-f399-7779-b1d4-518050bb1507 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058354
StatusPUBLIC

Content hashes

Canonical text78bcb6c2842c146fe4ba94d92cf4fea05bfadf1fa30e6ae2ee7fdf7e9b5db89e
Markdown07aa74e4cb300fd943a98eb7e5d1f24fcd7cf4087d52b5e76d0c3b4bc7323c15
PDF
Publication page052c34e07b4946d63e06346e4067a6eadd736cc180b27ea127027c7a8d67cc71
Manifest42eeebf964766b677a9c27238ef7d5f8f58b49a18be65516124bfc4001ee30b3

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
Signaturej8Lhp/2fUoPAhNuVhWhUANq6RQjwg1zbTs4uk0mdvIcNWxlbr6VYkX9GylYm4Qkf9h/use4lg5o39GpL548fCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:46.091289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058354
observed 052c34e07b4946d63e06346e4067a6ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:46.073162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058354/manifest.json
observed 42eeebf964766b677a9c27238ef7d5f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:46.057049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058354/publication.md
observed 07aa74e4cb300fd943a98eb7e5d1f24f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:46.041311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058354/publication.txt
observed 78bcb6c2842c146fe4ba94d92cf4fea0...
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.