OpenTechnical

OT-2026-000019674

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000019674) never changes.

Identity and time

Publication numberOT-2026-000019674 · never reused
Internal UUID01a0ae6f-1fb3-7d76-9173-a939fbd261c6 · 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-2026-000019674
StatusPUBLIC

Content hashes

Canonical textfbe97307c9a601c4219c680a14dfba6fec3cec452f465ec9a1102f5f4ccc8688
Markdown0cb84d576645fc6707ec53a01e5c259cc017c0ee72d225da7a15255095a75aee
PDF
Publication pageceb8bd03b3999c7ac785e25f79d64fccff568f6f6558b273a43b3360b5d4abbb
Manifestdf37ae7032327f68884aeb8ac83cd0a48daa99e1b63a37b8628237795a7b4778

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
SignatureZL1rgQxmpcM52tS78sUrtO1hO3VpCuYnfjb6yDiOQP3xL4a/9Nap/RayEo0QhAIm0dE1KivPtw5zoXzr+BBEAA==
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

2026-09-17T11:57:44.638685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019674
observed ceb8bd03b3999c7ac785e25f79d64fcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.620387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019674/manifest.json
observed df37ae7032327f68884aeb8ac83cd0a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.602632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019674/publication.md
observed 0cb84d576645fc6707ec53a01e5c259c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:44.584241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019674/publication.txt
observed fbe97307c9a601c4219c680a14dfba6f...
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.