OpenTechnical

OT-2026-000043354

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000043354) never changes.

Identity and time

Publication numberOT-2026-000043354 · never reused
Internal UUID01a0ae7b-327e-7f9a-aa66-fa889adbc729 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043354
StatusPUBLIC

Content hashes

Canonical texte5bd830470a12e774db26b506d802f7f878dbedb23a8ba506067b8c1d205314b
Markdowne796d3b6dd12794c8f0cc7cae3b597d80ba8a678f1cb206654ddcd4ba8d53789
PDF
Publication pagedb77907b48dad5b9327571fb044c2d3bec03f455f2b12f592b4d8e69eafddc9f
Manifestf1829e3c41c9cdf0d327aa2479546382cfbfc6d80451cb2c34e4a4773f409a68

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
SignatureZF8Ne8DLboL63c2eDsEE5juICaTIowBvIbIn0jAPCRDvBTt61Ujo+gY+u/0fmhIkhD7P9PNQrzmUu5XBaNAVAQ==
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

2026-09-17T11:13:52.321102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043354
observed db77907b48dad5b9327571fb044c2d3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:52.301509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043354/manifest.json
observed f1829e3c41c9cdf0d327aa2479546382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:52.280566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043354/publication.md
observed e796d3b6dd12794c8f0cc7cae3b597d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:52.260776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043354/publication.txt
observed e5bd830470a12e774db26b506d802f7f...
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.