OpenTechnical

OT-2026-000051930

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000051930) never changes.

Identity and time

Publication numberOT-2026-000051930 · never reused
Internal UUID01a0ae83-e78d-7fd6-bdb2-d22262e6e93d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051930
StatusPUBLIC

Content hashes

Canonical textf7cd398ee5c19cd4d427bd85f12db562a0b23265ae101ed6bb4f17185b8fbf31
Markdownba94fb2e73130c296f8c71f861cb03aef73d78399a47f9a05ccdcca353b7f612
PDF
Publication page8e00cfb149e916d31753e08cfd4a31c241e1ca815525bcc8cc7fb47a2400eaf0
Manifest36149053a7e19b41c4fc30b5fa37a4d3520a2c58126d2ec25c4a5ab632508036

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
SignaturePqgDl4r+lm2GTTJXRhebGlV3nFvHXgOAQi7RHJOVw1ntSQ+2Kct6Eb4zI6oSZ7n9fCsMhu5VdryE03a3bZY5AQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:25.100094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051930
observed 8e00cfb149e916d31753e08cfd4a31c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:25.084176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051930/manifest.json
observed 36149053a7e19b41c4fc30b5fa37a4d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:25.069189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051930/publication.md
observed ba94fb2e73130c296f8c71f861cb03ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:25.051764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051930/publication.txt
observed f7cd398ee5c19cd4d427bd85f12db562...
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.