OpenTechnical

OT-2026-000076048

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000076048) never changes.

Identity and time

Publication numberOT-2026-000076048 · never reused
Internal UUID01a0ae94-6a6e-7537-9069-be0d40212f27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076048
StatusPUBLIC

Content hashes

Canonical text85272aaff948568bd6ebf128ad593b776b7b19e726ec696fc76879d25161ede1
Markdowne266f4d59af994fce4260085533ed30000960a7f3c61516c774f61144f9b085f
PDF
Publication page740586679bfee880e4a772b2e520a5701d378f3b348a9e3dc7e9f224a0011292
Manifest2f0b792ce33ad59a6bd87cc322327005169b3d46762d25fa53163e99520d6f30

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
SignatureEWsEmrVwWUlW9vWh547zhX4FtC3TMO5XqkkSpuefRaU76f2UPTJt1O+wz9xUPWR+DMJ7xK3rKl2P/sWL9/8eCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:10:32.746203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076048
observed 740586679bfee880e4a772b2e520a570...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:32.305999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076048/manifest.json
observed 2f0b792ce33ad59a6bd87cc322327005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:32.288094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076048/publication.md
observed e266f4d59af994fce4260085533ed300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:32.270618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076048/publication.txt
observed 85272aaff948568bd6ebf128ad593b77...
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.