OpenTechnical

OT-2026-000048742

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000048742) never changes.

Identity and time

Publication numberOT-2026-000048742 · never reused
Internal UUID01a0ae80-c32c-75fd-9a59-388290a6b3c8 · 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-2026-000048742
StatusPUBLIC

Content hashes

Canonical textbccbd475e85f8c6ff15a74683105621659f134bb5795778c4e6d2b920a80efeb
Markdowna3b4da7aa34cbbcb35fb6c38e94fd65abe50cdf68afe584f19fd8c599c68ffaa
PDF
Publication page4eadf98c8079b9242156b4650381d75ab05be0206579192af70e49ca07bb8b87
Manifestefecbcdb35899d837a91fd429f0aed2722f7bdc51bde93d410691bd7b9396668

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
Signature5GhHJXHdW8WPa/E8sAWsWbiWN/lR5S9a8+fEfqCAbTcz50rbBtFSwgsaSLlMRpk2NUEIFwEuCBfPQB3WyJ4jBg==
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

2026-09-17T11:04:23.963349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048742
observed 4eadf98c8079b9242156b4650381d75a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:23.934944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048742/manifest.json
observed efecbcdb35899d837a91fd429f0aed27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:23.905685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048742/publication.md
observed a3b4da7aa34cbbcb35fb6c38e94fd65a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:23.879559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048742/publication.txt
observed bccbd475e85f8c6ff15a746831056216...
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.