OpenTechnical

OT-2026-000042285

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000042285) never changes.

Identity and time

Publication numberOT-2026-000042285 · never reused
Internal UUID01a0ae7a-5d73-788f-8690-4d92c2e27ae8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042285
StatusPUBLIC

Content hashes

Canonical text80b945edbb9539bd0b160a3d1acf1ee7ebf85131bdd895f143dfaafe0c380bed
Markdown3e70ddd4536213cf6e8dd38ba42db0e92ae5900be622e692f6403832153e0854
PDF
Publication pagefd97180132bd15e5eac7349c3470d3f681e845543355ab51d1fb2dc1c70de71e
Manifest017a68c43aba4ae0af2a955c8243ceebec5714cea86538c0a392f041b80e7fa5

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
SignaturejeQLvuNeVTQ6ZBx/d4uJ5f+OrEYjLhA2cqmojb7NvTA6AScNqe4Bs8WhqyjjV8/0NH9gQ5UJBAzsvKH71fUwDw==
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

2026-09-17T11:15:58.715753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042285
observed fd97180132bd15e5eac7349c3470d3f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:58.696897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042285/manifest.json
observed 017a68c43aba4ae0af2a955c8243ceeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:58.677366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042285/publication.md
observed 3e70ddd4536213cf6e8dd38ba42db0e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:58.658697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042285/publication.txt
observed 80b945edbb9539bd0b160a3d1acf1ee7...
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.