OpenTechnical

OT-2026-000032013

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000032013) never changes.

Identity and time

Publication numberOT-2026-000032013 · never reused
Internal UUID01a0ae74-bad3-7575-a575-12785d8ee14f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032013
StatusPUBLIC

Content hashes

Canonical text8c99f3e248b9d3a19840c1438b214d29fb57fc25a160a8e3aa0c84194b14ff58
Markdown9393eb71560b1a34c3effebcf9f792deac24e4afbd62d4be3853d4c7a2d338e2
PDF
Publication pageff8d41c26596b4d70e53a65cd1b987fd58faa03301e1f62e62805b063eaaeab4
Manifest527df52c25ed2bb7c79692a4c51b295cccc5ebdebeaa7b3fb1bfc1c6f1a39920

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
SignaturebX2bYsDGc1vDwKCV6CCvCHU1jbyMnB1LtrEoOPXGevras+JVGzrXQIs7ia/+cojheTI/GGpVBrUkBPUEZ0uIDw==
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

2026-09-17T11:35:25.057388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032013
observed ff8d41c26596b4d70e53a65cd1b987fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.038581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032013/manifest.json
observed 527df52c25ed2bb7c79692a4c51b295c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.023036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032013/publication.md
observed 9393eb71560b1a34c3effebcf9f792de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.006057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032013/publication.txt
observed 8c99f3e248b9d3a19840c1438b214d29...
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.