OpenTechnical

OT-2026-000026158

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000026158) never changes.

Identity and time

Publication numberOT-2026-000026158 · never reused
Internal UUID01a0ae71-a841-7574-bcbd-9506444559b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026158
StatusPUBLIC

Content hashes

Canonical textf79d5d40883e469a88322e3406dcd3d37e8f1207fca4bfa6f16d651c80e6ba26
Markdowne0b33f6d3fef795c83aa52c0c049a04eac815b4b1b5cf3b100992b8320457739
PDF
Publication pagea1b152a95821ebf91e0aba80ea42f58a4cad92b0810e73cc15ab376219ce0e34
Manifest6f3d449955cdc812609e0d7ffc24b214a8b29baaa0f97f65f4d290b161d0428e

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
Signaturerq/DEhYz55KR2wAC0kpGG8JHWL/CuQsIX00ZdTEV6KCuF41aAdwbysykWEq0T8ya6IUOsgV5ZTPEa+fJMclqDg==
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

2026-09-17T11:46:40.112962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026158
observed a1b152a95821ebf91e0aba80ea42f58a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.096827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026158/manifest.json
observed 6f3d449955cdc812609e0d7ffc24b214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.078981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026158/publication.md
observed e0b33f6d3fef795c83aa52c0c049a04e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.063474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026158/publication.txt
observed f79d5d40883e469a88322e3406dcd3d3...
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.