OpenTechnical

OT-2026-000039236

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000039236) never changes.

Identity and time

Publication numberOT-2026-000039236 · never reused
Internal UUID01a0ae78-9674-7a18-be6a-7d0ae4ded34e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039236
StatusPUBLIC

Content hashes

Canonical textcc8fcbafa8713349e41d74c40ebefaa7fcf122ec5a0efa300876e6ac515fa12e
Markdown40e6e857b2fec5dabfcd38bb15e5345802c758254f71c7b1d11da374fe0c72fd
PDF
Publication page157af86f7eb5a70d61ae32be986b0fa2445d0efd3cdda0d580eb464548879c14
Manifest692d9db9a7a1917ef1918e6ee57991daff2f9e4c4d3f1cedc3b0895344fc7c13

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
SignatureL5r8FlAnXaJMqSYzbMI/Gg+QPh05j63dZSuv4Kzslxuoge8GmeVTpQBYSwEIhu35HwW3/6vZRfvLR+WjM8qeBg==
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

2026-09-17T11:20:47.614035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039236
observed 157af86f7eb5a70d61ae32be986b0fa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:47.597512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039236/manifest.json
observed 692d9db9a7a1917ef1918e6ee57991da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:47.579183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039236/publication.md
observed 40e6e857b2fec5dabfcd38bb15e53458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:47.562720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039236/publication.txt
observed cc8fcbafa8713349e41d74c40ebefaa7...
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.