OpenTechnical

OT-2026-000050905

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000050905) never changes.

Identity and time

Publication numberOT-2026-000050905 · never reused
Internal UUID01a0ae82-c7b3-7e0c-8ac1-7e27dc458f51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050905
StatusPUBLIC

Content hashes

Canonical text8fb7e603ab0680d150cbdc80b7156ec38d13e2b02fd0d6c12b222ce518c66d7e
Markdownf96d52c6b5b4802976ca5a2ae40ece04a96e952aa9d141e8ff825e3dfe536562
PDF
Publication pagee90061ba1974115741f0fa0f1665e3a042596f66a40738b0f24be24a2df737af
Manifestf3e3998bb624675368ca37e9a728054d31ebec1522fcf8f5aa850fd97ba56aa6

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
SignaturenT//Ys2TitqJJtWrvm7hCn5RcDARt/q4U1WeO+NsXtNGNRuMVti9lzyPTKjQJW/EG89YVbaQLrP8yU9wSdpYCA==
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

2026-09-17T11:00:39.201441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050905
observed e90061ba1974115741f0fa0f1665e3a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.173602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050905/manifest.json
observed f3e3998bb624675368ca37e9a728054d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.144283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050905
observed e90061ba1974115741f0fa0f1665e3a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.143642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050905/publication.md
observed f96d52c6b5b4802976ca5a2ae40ece04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.123386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050905/publication.txt
observed 8fb7e603ab0680d150cbdc80b7156ec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.116184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050905/manifest.json
observed f3e3998bb624675368ca37e9a728054d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.092537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050905/publication.md
observed f96d52c6b5b4802976ca5a2ae40ece04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.067523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050905/publication.txt
observed 8fb7e603ab0680d150cbdc80b7156ec3...
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.