OpenTechnical

OT-2026-000042616

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, pulsed 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-2026-000042616) never changes.

Identity and time

Publication numberOT-2026-000042616 · never reused
Internal UUID01a0ae7a-c0ce-7c65-bb33-52c31a68438a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042616
StatusPUBLIC

Content hashes

Canonical text1d2f91246ac16e3209c266e404ea81aa9b95d63f23a6d27554cedba98ad2cecc
Markdown32ed91d3f192ef4c64b68c23a961f270c24938fa833fc152385e71eabe30d58a
PDF
Publication page9c91f7b1bff10ce1fb49f27559f91b95731184f5fa09bc238f2e46a9f629f8d7
Manifestc4fd894d568e76648a87cd04044dce41020344c864fbae7cf50ea96cb402648b

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
SignaturegGUitfrQnwhQp9hYCOpW0H5lBoH6b245ziXwZFAUz82U6DHYFq+HW98LjLPhrbDjNCQ9Rjob03lb+TamXEW9Ag==
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

2026-09-17T11:14:20.745500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042616
observed 9c91f7b1bff10ce1fb49f27559f91b95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:20.723226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042616/manifest.json
observed c4fd894d568e76648a87cd04044dce41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:20.704231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042616/publication.md
observed 32ed91d3f192ef4c64b68c23a961f270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:20.685810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042616/publication.txt
observed 1d2f91246ac16e3209c266e404ea81aa...
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.