OpenTechnical

OT-2026-000016073

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000016073) never changes.

Identity and time

Publication numberOT-2026-000016073 · never reused
Internal UUID01a0ae6e-0c4e-7605-84ae-50738aea1b69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016073
StatusPUBLIC

Content hashes

Canonical text0086947dc37af5ec76d8577ab06b7a6d9cd45e1bd7eba39a4e0332bc426662e1
Markdown9439c7369ac3ad953742debbf6ae505613ee1406da2620c371a855dc54449deb
PDF
Publication page83c8f1666624f4184456d1e307542ebcb8c23d197a3f4d29cb9769b4b2a76f65
Manifest5ccd1c3211b51ea6be07ce65955aae65ad4581e5d4148b1e3d2bef1713f50498

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
SignaturesS6y7ZbW+OCP9pyE7chWlSaCVhjsAHvTv33+cLkUnAPj605rUVF7YeyFJvSZp+H3vPo79ypqO9QowhyQDK9xBA==
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

2026-09-17T12:05:38.353771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016073
observed 83c8f1666624f4184456d1e307542ebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:38.330399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016073/manifest.json
observed 5ccd1c3211b51ea6be07ce65955aae65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:38.307229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016073/publication.md
observed 9439c7369ac3ad953742debbf6ae5056...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:38.283613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016073/publication.txt
observed 0086947dc37af5ec76d8577ab06b7a6d...
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.