OpenTechnical

OT-2026-000016478

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000016478) never changes.

Identity and time

Publication numberOT-2026-000016478 · never reused
Internal UUID01a0ae6e-2d13-7313-a9d2-4e34c5177ebb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016478
StatusPUBLIC

Content hashes

Canonical text5abafe506640e0e66312d3013dbc6c95cd495bdfc5a24222417dbb6cab811ec4
Markdownec8860ea1f778a190168a25130b79196dc240731ac47ee4bf59e81dd320b9e34
PDF
Publication page5b19d0ea2ff022fb6428983df6f3dda5a89137700a4b459dd78f1e561776a3a4
Manifestc8d55854ff3973fadf18c8489d8823a175944323ff9fdc6e67ed542bff4a3d9c

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
SignatureI3PVq65VXEgVfXA3bO1BOeY06WEd8R+L/2BidmZreb2aUpFUqJG57dEO26bHSmpTb+ABUASy4nVC8urv1EWDCQ==
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

2026-09-17T12:04:40.858390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016478
observed 5b19d0ea2ff022fb6428983df6f3dda5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:40.840708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016478/manifest.json
observed c8d55854ff3973fadf18c8489d8823a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:40.821348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016478/publication.md
observed ec8860ea1f778a190168a25130b79196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:40.800757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016478/publication.txt
observed 5abafe506640e0e66312d3013dbc6c95...
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.