OpenTechnical

OT-2026-000045037

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two 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-2026-000045037) never changes.

Identity and time

Publication numberOT-2026-000045037 · never reused
Internal UUID01a0ae7c-f767-7f76-8b8f-57b262af6528 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045037
StatusPUBLIC

Content hashes

Canonical textfdebb0f3d3c945d3f17b211a70432463694969b69c7e462753fa21da509b6523
Markdownb210432bf2f5a2d600ad03ad9fe3a4ac3d6c7025005a365b461a078a2cf37d96
PDF
Publication pagef164d1ae8465b0b0c01cf7f86a5411edfacbf9074198205551b369382153ed79
Manifestdefb780d0af75f7ee73ab0a8094bf6406d275c744e3190f42a33cbb8d3be4fdf

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
SignaturexsLoLExAfAi3eYUQtWzJEAtZyHhHaOyL/+GLJhuXNBZ4J4gSQkp1M/Xzcx3WHys0RqJPrp8CeUn5ljhFomW+Cg==
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

2026-09-17T11:10:03.250018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045037
observed f164d1ae8465b0b0c01cf7f86a5411ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:03.229404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045037/manifest.json
observed defb780d0af75f7ee73ab0a8094bf640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:03.210004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045037/publication.md
observed b210432bf2f5a2d600ad03ad9fe3a4ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:03.192261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045037/publication.txt
observed fdebb0f3d3c945d3f17b211a70432463...
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.