OpenTechnical

OT-2026-000058346

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented before 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-2026-000058346) never changes.

Identity and time

Publication numberOT-2026-000058346 · never reused
Internal UUID01a0ae88-f399-72ee-993e-2be29c604754 · 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-2026-000058346
StatusPUBLIC

Content hashes

Canonical text0802198985254c2105583951a8ae83d85f7bbffa4b54bc2d2fc8db8cd9ac4757
Markdown2e4f1ec92d795d0d70ebbc29707af7547278d058772ae4c11a4358c8123c42cb
PDF
Publication page83c470f60f3a3468d8a4b2d5b11ef73a3a81c77c90358d853ccdf691a03744e7
Manifest97bdbae83031636f94f96f1085f24fec5e7662583ce8f749af1e749d9cdcf7a4

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
Signature+Et7jRQsj+a4sagnzpgmxoq/QasSz40IaijNVOn/627YTaQm3RWJwMYQSQ0Kowg7gro2PqOp08v+1JBOTB5JBw==
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

2026-09-17T10:46:45.528938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058346
observed 83c470f60f3a3468d8a4b2d5b11ef73a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:45.511840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058346/manifest.json
observed 97bdbae83031636f94f96f1085f24fec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:45.494964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058346/publication.md
observed 2e4f1ec92d795d0d70ebbc29707af754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:45.478653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058346/publication.txt
observed 0802198985254c2105583951a8ae83d8...
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.