OpenTechnical

OT-2026-000048482

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000048482) never changes.

Identity and time

Publication numberOT-2026-000048482 · never reused
Internal UUID01a0ae80-4de5-70a4-8c15-f79e133c4f3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048482
StatusPUBLIC

Content hashes

Canonical text9c02c1d7289db90815c45c9b9197c29224fd3eea0e2bbb0e9fa89e284bf5865f
Markdown471bc4f6d86fbc110af580d95bff2759fe69733726f5d9589e86a86eca889afe
PDF
Publication page74f7b7803263f818bb57c5a24f4465f3117dfe724810755a60963304a1fd899a
Manifest1243d9155efd7b8351deb5aa074a209d8b1b4132c3b4ee69e78a59fb6cf10e26

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
SignatureGcZ4T+OXm9MOt1mch4rz9bG8SV2CtapYZ/43/6XZ9OYdSJ+1vQrGEoxClFCmJ6M4/iNjhlwuiQbGOZln5Na/Ag==
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

2026-09-17T11:05:08.958114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048482
observed 74f7b7803263f818bb57c5a24f4465f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:08.939762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048482/manifest.json
observed 1243d9155efd7b8351deb5aa074a209d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:08.920605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048482/publication.md
observed 471bc4f6d86fbc110af580d95bff2759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:08.899870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048482/publication.txt
observed 9c02c1d7289db90815c45c9b9197c292...
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.