OpenTechnical

OT-2026-000018854

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, manifold 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-2026-000018854) never changes.

Identity and time

Publication numberOT-2026-000018854 · never reused
Internal UUID01a0ae6e-d521-742c-9675-40ea4bf73c77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018854
StatusPUBLIC

Content hashes

Canonical text3674120d64dee41fae48bfa9ef840e087b99ea17af3d9a6f50f199f917ff11dc
Markdowncab7e062c94e15ba943ebbf0d722310e13d9ad9252c875263e1abf6775a16e08
PDF
Publication pageea9d9479a96b9d3f81d09e6507d42b041a3e77d416fb94ff8aff0abfcd227020
Manifestfddec1df02535c6d7f7ad24ce504d5062e8e422bd49429745c627a618036f565

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
SignatureZgUZbb0m3LENwc+l2WZ28yj4QNgeojwFqyP0m7fXEzKZIWceyCKWcvPLpFT1o9Ype4FnIfDGb4N8U+Rh1133Dw==
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

2026-09-17T11:59:29.730238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018854
observed ea9d9479a96b9d3f81d09e6507d42b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:29.710679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018854/manifest.json
observed fddec1df02535c6d7f7ad24ce504d506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:29.690546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018854/publication.md
observed cab7e062c94e15ba943ebbf0d722310e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:29.671717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018854/publication.txt
observed 3674120d64dee41fae48bfa9ef840e08...
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.