OpenTechnical

OT-2026-000025533

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000025533) never changes.

Identity and time

Publication numberOT-2026-000025533 · never reused
Internal UUID01a0ae71-5fa8-7c91-8841-c375c815a77d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025533
StatusPUBLIC

Content hashes

Canonical text91d53cc02812785c76b1ce2a0fe34141c7e77b79765b11078eac5be782fcb78d
Markdownac759c8998faaa10b6ede0001d4d8b7bf526c50efc6e766053eb987a0aecc85f
PDF
Publication pagec1b80050b5f97afbfb01485159fd537792738bd740c52cf937020f0a04e9d3a6
Manifest2ed4554ba60c57de3294fc5f6184209aa330f1759482f8701fe0b5c2ea8db434

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
Signature0wkEi6SqyXhPR8Xgb6nAFjd9FpdVcDiV6nmemNET6t7m17U+D4pjFwHMApJ7PJE72kNxcsSiTPjloCs4jUd7DQ==
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

2026-09-17T11:47:40.696471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025533
observed c1b80050b5f97afbfb01485159fd5377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:40.678682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025533/manifest.json
observed 2ed4554ba60c57de3294fc5f6184209a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:40.659644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025533/publication.md
observed ac759c8998faaa10b6ede0001d4d8b7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:40.639049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025533/publication.txt
observed 91d53cc02812785c76b1ce2a0fe34141...
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.