OpenTechnical

OT-2026-000044717

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000044717) never changes.

Identity and time

Publication numberOT-2026-000044717 · never reused
Internal UUID01a0ae7c-39da-702e-ac76-89350425fa76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044717
StatusPUBLIC

Content hashes

Canonical textf558289a1ea9e8620c773abe8a9bb146801bdd573ee81b7494b9ca4d90ca3b38
Markdown3cfb5c03e0e74066ea32f732cd9844d1c09e9d15954440e609f00f563b74217c
PDF
Publication page08c089b5bfbbe11ea8854cef90e11c97a0eb9379164995ea75c6ebebf1be6771
Manifestc9fc5ed402b41ecbe48a3ed60d7ec37e9c2a66ab713601bf9abb1b6f44b45b9f

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
SignaturekCTTU/ZPtshtYZVwX/zUYjFG410rCXe8dt1MaSvxSMu004SkpOgO+KC7H9lntKiTU0xidHjRUWImcLxhSRhDCQ==
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

2026-09-17T11:11:58.953872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044717
observed 08c089b5bfbbe11ea8854cef90e11c97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:58.932063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044717/manifest.json
observed c9fc5ed402b41ecbe48a3ed60d7ec37e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:58.913229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044717/publication.md
observed 3cfb5c03e0e74066ea32f732cd9844d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:58.895088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044717/publication.txt
observed f558289a1ea9e8620c773abe8a9bb146...
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.