OpenTechnical

OT-2026-000045589

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000045589) never changes.

Identity and time

Publication numberOT-2026-000045589 · never reused
Internal UUID01a0ae7d-8f02-799c-b2a0-5bdf47c19161 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045589
StatusPUBLIC

Content hashes

Canonical text3715e4ac74615f4dc623b6857fc38dadb4460c99a90d68bc3344790b6c113cf4
Markdown20fe64f1f54e739e8a7cfcca524e55bda77204137e0b62bcd26c0f6af868057e
PDF
Publication pagef48551700337ee6ba6eb299b08ad312731479b82910a7e783000cbac68470807
Manifestcac3873d97fc4c86f6933e29259714761a0396fc49b588078101c51136313f60

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
Signaturer39TX8xxYLDRAnqJ0lR50oESS/n8EWMlRZJE1MgRWshfpl2/poHE4fuODJ/XG3Wofv+v1YuGFpIp5GPaC71ABg==
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

2026-09-17T11:09:21.498970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045589
observed f48551700337ee6ba6eb299b08ad3127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:21.480645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045589/manifest.json
observed cac3873d97fc4c86f6933e2925971476...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:21.459746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045589/publication.md
observed 20fe64f1f54e739e8a7cfcca524e55bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:21.437250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045589/publication.txt
observed 3715e4ac74615f4dc623b6857fc38dad...
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.