OpenTechnical

OT-2026-000040869

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000040869) never changes.

Identity and time

Publication numberOT-2026-000040869 · never reused
Internal UUID01a0ae79-6d10-7532-8aa8-44e84211236d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040869
StatusPUBLIC

Content hashes

Canonical textd383d7d00f075e2ce1ed9f366ea4c62745698cede116f1e295875f298b956702
Markdownf09a603eb97d44ddd746e5575ec390c9afb159724887a2683e933951bfe1603d
PDF
Publication page71878194a97a2c1053684c79a7661965d321ac295c26989d2509855f4d321dec
Manifest441607cb0e8bebfa396cc5cc3659e3a648b3da3c02d0364ba6b281f3d65907a7

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
SignatureJ/K8vMkNj0Idcepq3UkYr7xcnQA8GO2afUzP5noj7oNcXaPEySHs6LB9VdxLPUUixIlHl0IIqcTPWrOYaJpRBg==
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

2026-09-17T11:20:13.579799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040869
observed 71878194a97a2c1053684c79a7661965...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:13.553354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040869/manifest.json
observed 441607cb0e8bebfa396cc5cc3659e3a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:13.534022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040869/publication.md
observed f09a603eb97d44ddd746e5575ec390c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:13.517820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040869/publication.txt
observed d383d7d00f075e2ce1ed9f366ea4c627...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:39.541461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040869
observed 71878194a97a2c1053684c79a7661965...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:39.526251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040869/manifest.json
observed 441607cb0e8bebfa396cc5cc3659e3a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:39.509365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040869/publication.md
observed f09a603eb97d44ddd746e5575ec390c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:39.493091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040869/publication.txt
observed d383d7d00f075e2ce1ed9f366ea4c627...
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.