OpenTechnical

OT-2026-000013626

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed blow-off before 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-2026-000013626) never changes.

Identity and time

Publication numberOT-2026-000013626 · never reused
Internal UUID01a0ae6d-8de8-785a-a9e9-31e3d6a94509 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013626
StatusPUBLIC

Content hashes

Canonical textee4ecd4db7484f7f1be2d0f0782c48fd1c1ad5e147452485e7dd6c6a14440e1c
Markdown36cfd7fcf3c1bb833e9f5bad9e3091e7593a91347fffca8515189017df340377
PDF
Publication page33a772c36d36d2446e6b9725758c9b8e5ad82e9c6799b1acb61c0dce2bcbb8e3
Manifest50a4c3a32f5a93d03b41c9e04314fb736dd4e41b1cc136673aac56c1197dd5cb

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
SignaturePV/Zb/F/LTIZZoK567J/Kr/8xy80tCS3F+Jpqob3jPlES73zlhAyaAVpzBYq6b9bDx/0FQBxsEtT7i6cuPpeAA==
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

2026-09-17T12:10:32.466541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013626
observed 33a772c36d36d2446e6b9725758c9b8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.449867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013626/manifest.json
observed 50a4c3a32f5a93d03b41c9e04314fb73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.431948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013626/publication.md
observed 36cfd7fcf3c1bb833e9f5bad9e3091e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.415018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013626/publication.txt
observed ee4ecd4db7484f7f1be2d0f0782c48fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.488605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013626
observed 33a772c36d36d2446e6b9725758c9b8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.469318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013626/manifest.json
observed 50a4c3a32f5a93d03b41c9e04314fb73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.449923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013626/publication.md
observed 36cfd7fcf3c1bb833e9f5bad9e3091e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.430014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013626/publication.txt
observed ee4ecd4db7484f7f1be2d0f0782c48fd...
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.