OpenTechnical

OT-2026-000042325

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000042325) never changes.

Identity and time

Publication numberOT-2026-000042325 · never reused
Internal UUID01a0ae7a-5d74-752b-b053-d77dfb1d0a51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042325
StatusPUBLIC

Content hashes

Canonical textd507f975b964580aea65fce07648f68a7d1e42dce3394b276b3ffd6faaeb6ef6
Markdown986d75d7989c431b582be3c88b247c5abeba86899f9e286de33a3410249e77b8
PDF
Publication page93c1b69c7c9b3e5957fb12e6f8497631336025774d75d28cc3821c4754dfecf2
Manifest805b5b9cd6e9f9fc70a366608c49ae40fd54aa784de442c9489f672a490c5ebf

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
SignatureEw6dWvoqS/Enw9psEFQbx13jXEust9zG4WLV+gJ72cTwDz3WXQx2Q0gkuJGn4yqCPMcfmoKxvfLJrnWFMYduCw==
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

2026-09-17T11:16:01.789048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042325
observed 93c1b69c7c9b3e5957fb12e6f8497631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:01.772478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042325/manifest.json
observed 805b5b9cd6e9f9fc70a366608c49ae40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:01.748954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042325/publication.md
observed 986d75d7989c431b582be3c88b247c5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:01.725840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042325/publication.txt
observed d507f975b964580aea65fce07648f68a...
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.