OpenTechnical

OT-2026-000046402

Publication integrity record

Foam pad vacuum gripper, plant vacuum 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-2026-000046402) never changes.

Identity and time

Publication numberOT-2026-000046402 · never reused
Internal UUID01a0ae7e-57dc-7d11-9042-5e5ee441703c · 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-2026-000046402
StatusPUBLIC

Content hashes

Canonical texte1f2c6599f307226d27cc5cb714273c429e309ef4ca2b6929802c7f7fdf2ff64
Markdown21c9522cf637794ba0a0203bafc2d50e29fa6f07c7082fab493404733501d1a3
PDF
Publication pageb30e6a21f282d6a377a2c8a779272eb4637f0d5e59738fb69122f5d54679429d
Manifestc361b7dbb4912a7f304ccb19f99ec3b4f3131333ce4a52af29858c5061720253

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
SignaturempUELlxKZkBgoWsPm4i3YZ2oMtSAZhXdNBzVqx/tKvxr0DljRroKRabPhHI/5SGRGg2HKyhRpiFF2MVho8z0Dw==
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

2026-09-17T08:43:18.245838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046402
observed b30e6a21f282d6a377a2c8a779272eb4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:43:17.998095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046402/manifest.json
observed c361b7dbb4912a7f304ccb19f99ec3b4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:43:17.583747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046402/publication.md
observed 21c9522cf637794ba0a0203bafc2d50e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:43:17.276202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046402/publication.txt
observed e1f2c6599f307226d27cc5cb714273c4...
fetched by grabo-systems from 34.44.131.203, 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.