OpenTechnical

OT-2026-000046517

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000046517) never changes.

Identity and time

Publication numberOT-2026-000046517 · never reused
Internal UUID01a0ae7e-57dd-7035-8650-0a7cf333d627 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046517
StatusPUBLIC

Content hashes

Canonical text2c9027db2ff47369bdbbd20755f624f98b80866092986e5d141bed3f24e6ef94
Markdownd78221a7fcd128b3de071263e65f4c4f35ec4218f06737c4a0fc6477daa2ed72
PDF
Publication page4a4ae98681be23a777530cfa079ff5841ecc7c8d7fc8868f15727d7e7c0f35a0
Manifesta657ff714286240c694ac5b9bfc743b82b14b7bf36ffcbe9f116a247167418b9

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
SignatureknSAs6GnpPZzhvukrYjYZ4IepsRDVNlmPDLS2CDdaHPUYM+Ls2p06L7p6fTi+QzJ6dWe+SEfepyGGAWwzqbzAA==
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

2026-09-17T11:08:33.825761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046517
observed 4a4ae98681be23a777530cfa079ff584...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:33.804303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046517/manifest.json
observed a657ff714286240c694ac5b9bfc743b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:33.784560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046517/publication.md
observed d78221a7fcd128b3de071263e65f4c4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:33.766632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046517/publication.txt
observed 2c9027db2ff47369bdbbd20755f624f9...
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.