OpenTechnical

OT-2026-000019842

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000019842) never changes.

Identity and time

Publication numberOT-2026-000019842 · never reused
Internal UUID01a0ae6f-1fb5-7225-8439-34c41c2a7194 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019842
StatusPUBLIC

Content hashes

Canonical textd097cd821224d02880c07495e3ae20ac01dd55a6f5a080a43269e2ecb696ef10
Markdown7e49c43c709ce34f1719513fce31d893ca7a9f89a834e5f0a11d23e290f5284f
PDF
Publication page0d37b39b4cfc3f02462bf43b717982c7b41593f72071da7a5110e512409a88a7
Manifest9a9be66ddbd49e4506bceb1b91fff146ea0f7f4bc2808458c121f6a7e064d4de

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
Signature6Ee9NsJxbnlYcv13Zte/0RZNcn+YCOvzzCPui+gL6rDxfnpWjhW3DGs0hcFKlNxRQXkSAeedBuNMiDXoY8XvCA==
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

2026-09-17T11:58:02.273077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019842
observed 0d37b39b4cfc3f02462bf43b717982c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:02.253937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019842/manifest.json
observed 9a9be66ddbd49e4506bceb1b91fff146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:02.231452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019842/publication.md
observed 7e49c43c709ce34f1719513fce31d893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:02.212211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019842/publication.txt
observed d097cd821224d02880c07495e3ae20ac...
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.