OpenTechnical

OT-2026-000046248

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after set-down

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-2026-000046248) never changes.

Identity and time

Publication numberOT-2026-000046248 · never reused
Internal UUID01a0ae7e-57ca-7cbe-86c8-8c9d5eaa332a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046248
StatusPUBLIC

Content hashes

Canonical text665be283c083415bc3470486182c666d5743e8f9d042582777fbf60878ed207e
Markdown3aecc2c754c932ea9453bda06276b9ff13874fb47a57ffe077eeb6090e22749d
PDF
Publication page6de02b862d2157a3c9d45d2d5506c239d9b42003b8e2b48627ee70bc4fe2072d
Manifest638f84b687b0b2de9b8e498392c8769fe38cc2402d4f1ceaa80e70ff1e4d8325

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
Signature/jnjIPjRHFGurD0iFwU47jsI2ovJkt/H4At2+Xuz0G6t0dfJVoAQ+j86FPPNHTRmJQaYnpnUiv78EuJ+s29vAw==
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

2026-09-17T11:08:06.085922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046248
observed 6de02b862d2157a3c9d45d2d5506c239...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:06.067739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046248/manifest.json
observed 638f84b687b0b2de9b8e498392c8769f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:06.049433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046248/publication.md
observed 3aecc2c754c932ea9453bda06276b9ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:06.031553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046248/publication.txt
observed 665be283c083415bc3470486182c666d...
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.