OpenTechnical

OT-2026-000043237

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000043237) never changes.

Identity and time

Publication numberOT-2026-000043237 · never reused
Internal UUID01a0ae7b-327c-75f0-8c9d-f15059c88019 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043237
StatusPUBLIC

Content hashes

Canonical text356564f311ea65a1564a566925a4f5e5e348cba2435a4c5a56a0e3129a574bab
Markdown61c11a79eb3241296ddfb3cc41a220b000688ce0848e2af4b975cbb46d41d009
PDF
Publication page7a637f5ea38faba59669a6629746b374bc3503ba24f3b1a23512c69b9c7ca905
Manifest49b14e8d07f4efa5c3fc4f528e0e581e2764b474ed878bc73db428dd3a561da6

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
Signature7lc3SsVe57xlqOg27E8QwEloRTBRK4Rbh+eHOq+9C4vL9aRHJ3qZbCGNEfHDNwJ9crOVL3lljXsO5kj38NiFCQ==
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

2026-09-17T11:13:42.637747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043237
observed 7a637f5ea38faba59669a6629746b374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:42.616044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043237/manifest.json
observed 49b14e8d07f4efa5c3fc4f528e0e581e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:42.598079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043237/publication.md
observed 61c11a79eb3241296ddfb3cc41a220b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:42.578954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043237/publication.txt
observed 356564f311ea65a1564a566925a4f5e5...
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.