OpenTechnical

OT-2026-000011439

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000011439) never changes.

Identity and time

Publication numberOT-2026-000011439 · never reused
Internal UUID01a0ae6c-88fe-74fd-b234-cf63f3e4e1ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011439
StatusPUBLIC

Content hashes

Canonical textc278f0a9244117e51269b69be8b812ce5eae9ad18cac4860213e6fd6d218cd73
Markdown65139b6438538164de4635001c4a71565539e74da5f480d217d6641afbe00846
PDF
Publication page87edf670606a405f689727cb0973c7dabb642951736a292ee41ecd1654f3e2e7
Manifestd65d5414e69f2c0d4315dad949bf224383f5f3af752554a0d6beb9dd16134e29

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
Signaturedx24LyKp6opYq62LkHwK1HFBCEhqazhh0Vd9HjrLNNz+rz76lCagOCpf9gxCX8LPLzxriEx76abogjz3Gz5uAQ==
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

2026-09-17T12:13:11.927045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011439
observed 87edf670606a405f689727cb0973c7da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:11.908844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011439/manifest.json
observed d65d5414e69f2c0d4315dad949bf2243...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:11.890649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011439/publication.md
observed 65139b6438538164de4635001c4a7156...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:11.872346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011439/publication.txt
observed c278f0a9244117e51269b69be8b812ce...
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.