OpenTechnical

OT-2026-000013005

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000013005) never changes.

Identity and time

Publication numberOT-2026-000013005 · never reused
Internal UUID01a0ae6d-5564-70ae-abfa-5a17905f6965 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013005
StatusPUBLIC

Content hashes

Canonical text6afe5bc9bc95b553c0617a5a4ebecd23d254142a116c62cc4c906127e74a2e03
Markdown1a965241a871adb669a3fb336584b6d5b5edaf159c467b3794e9d2bdffc7b616
PDF
Publication page6b9f19b063a3cd87a1c23697d3867a8737bc17a1ddbb2515c955d977195a7dcb
Manifest8c3e2c1b0f89fea3e916f09bd41d84c55888b1a8dff373f99f5340058422d9c6

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
SignatureH3VbHwCU6/EsiYeIHz9P9pLysAl6z+0U5WP2NsRHZ7l4nQYtg27XN8avcJOgyYTRnOKJ6Tz4am852AncDWLgBA==
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

2026-09-17T12:10:49.562539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013005
observed 6b9f19b063a3cd87a1c23697d3867a87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:49.543964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013005/manifest.json
observed 8c3e2c1b0f89fea3e916f09bd41d84c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:49.522187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013005/publication.md
observed 1a965241a871adb669a3fb336584b6d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:49.503313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013005/publication.txt
observed 6afe5bc9bc95b553c0617a5a4ebecd23...
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.