OpenTechnical

OT-2026-000076099

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000076099) never changes.

Identity and time

Publication numberOT-2026-000076099 · never reused
Internal UUID01a0ae94-6a6e-799a-875b-bb19495dfac7 · 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-2026-000076099
StatusPUBLIC

Content hashes

Canonical textb060f85a50f08c28f3131bf2a3f40a3ffb22302e9528cf44d3ec9dd8d9c98935
Markdown451a02990f6cc8ddd91144139c140ca10f43099bf785c7a229cb243e35c5352d
PDF
Publication page7a1246828693c2790303c303389b7e80dc28642f7b56fef83b7ab13c6ba39993
Manifestf5c951bc92a47edc3bf28ee14044b116d2286efaf4756ae6eb1828aa3705bfc2

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
SignatureipT+BfkFLN3Qzd4OeMVPYBwe+yZo7p3UQkENILiHGHdomG0IrjvTtL6z0XBlUt+xUcQzOjozX6GmEa3ZLmfLAg==
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

2026-09-17T10:10:59.017635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076099
observed 7a1246828693c2790303c303389b7e80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:59.000099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076099/manifest.json
observed f5c951bc92a47edc3bf28ee14044b116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:58.555128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076099/publication.md
observed 451a02990f6cc8ddd91144139c140ca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:58.534750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076099/publication.txt
observed b060f85a50f08c28f3131bf2a3f40a3f...
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.