OpenTechnical

OT-2026-000048160

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000048160) never changes.

Identity and time

Publication numberOT-2026-000048160 · never reused
Internal UUID01a0ae80-4de2-7416-80ea-68fcf99c83fa · 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-2026-000048160
StatusPUBLIC

Content hashes

Canonical text24f90ab77ca7fcb4e11baa1e7a7614f4aafa6aae8efe4d9c869490c31f0f17cc
Markdown992974292d79260a8b932cfcda14149c3423113db867725ba57848a43fb75ac4
PDF
Publication page6f1f68020b58c9fcd103cb1ea1afe8bfdb2da0c7fe29ae8552aa6f83dfa1bcde
Manifest1077def2b9457f2117063b7fb316b000eed372c5700e35344b6af64bfc7fe987

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
SignatureQU4/OorLJ6l8WrVLTrDIHZJoGZ6pLYXxkJCN2qGjqxCJzYYcxwV2t0RGOBT6wxeQ24w6EIy4J5/Y7qf8ZozQDA==
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

2026-09-17T11:04:41.336546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048160
observed 6f1f68020b58c9fcd103cb1ea1afe8bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:41.316243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048160/manifest.json
observed 1077def2b9457f2117063b7fb316b000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:41.297120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048160/publication.md
observed 992974292d79260a8b932cfcda14149c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:41.277742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048160/publication.txt
observed 24f90ab77ca7fcb4e11baa1e7a7614f4...
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.