OpenTechnical

OT-2026-000015489

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000015489) never changes.

Identity and time

Publication numberOT-2026-000015489 · never reused
Internal UUID01a0ae6d-ef4a-7738-a303-19502cac0902 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015489
StatusPUBLIC

Content hashes

Canonical text704bf28bced34abe0fb80c5d364a836dc2b13c55993fa2f5b245fba4f96839b6
Markdown5416579f8a8fda584d2cd7c6d6e007b669d9744cf7866c47b923efb7d8f67a1f
PDF
Publication page2920a576bfc7e7563e14f2d34379d36e1a245c9659f52e86a3bd1cfc267bcb5d
Manifest1f72b928ddab393698e27ec1a67bae20114c7777058af36a982169ec2d7a9310

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
SignatureuFJToERnztWHosR4M5PqCyD8hiPcMP5z/zyi+dAyvfbYUKaq/q6wY5o67g3E+Qk/30LI/NaEMg4H+7HOhAncCg==
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

2026-09-17T12:06:15.154647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015489
observed 2920a576bfc7e7563e14f2d34379d36e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:15.133752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015489/manifest.json
observed 1f72b928ddab393698e27ec1a67bae20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:15.115864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015489/publication.md
observed 5416579f8a8fda584d2cd7c6d6e007b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:15.098066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015489/publication.txt
observed 704bf28bced34abe0fb80c5d364a836d...
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.