OpenTechnical

OT-2026-000035438

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000035438) never changes.

Identity and time

Publication numberOT-2026-000035438 · never reused
Internal UUID01a0ae76-6a20-735b-871c-1a6b31d98fee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035438
StatusPUBLIC

Content hashes

Canonical textc416398a5a53c442963bedbb502ed9cde694b1799d066c672ccd98e176130388
Markdownc4e0452b3841e63d142767d8d77d80ff121fd4de7cb7c1a9ebe7819d1c00249f
PDF
Publication pageea0adece461a1b46d9a42409cb6ba59e978bf5dbd36865f2bc626f16b12ff406
Manifestce880e808fd7cc50314b82550964dbf4986b7085f0332771bab75e787055d44f

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
SignatureW7h6wEwTXaJnVBxNw/ep+aDzLHfJ6w2f6nrRHk88IHP23w6Nq56BBMUwkClgJLS2OO4IsUOEY/t/THcq/EU6Aw==
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

2026-09-17T11:28:45.180016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035438
observed ea0adece461a1b46d9a42409cb6ba59e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:45.160075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035438/manifest.json
observed ce880e808fd7cc50314b82550964dbf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:45.141654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035438/publication.md
observed c4e0452b3841e63d142767d8d77d80ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:45.122001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035438/publication.txt
observed c416398a5a53c442963bedbb502ed9cd...
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.