OpenTechnical

OT-2026-000067498

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000067498) never changes.

Identity and time

Publication numberOT-2026-000067498 · never reused
Internal UUID01a0ae8f-6bd9-7808-9ff9-effccb7bfce5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067498
StatusPUBLIC

Content hashes

Canonical textbe4d492191f42ec026779126128365d1e00fe75ae780150325aaab7a94e26dc5
Markdowne508a2930bc132e4b8dd9008b135a11d5285cf89708d38c784df9e1980438e94
PDF
Publication page30a5a8b9b88563cb3cfd33f4e8c687bbdebbec37cf4df2922bf61bed1f78e642
Manifest6fe22649136f973ebfd26522a44a7d11a7dcb5ae71f21164d7c8db10b0bda8b5

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
Signature6vZ6PRNV49h8J4IlXEQBHicVYDUTEToUMWmh59/QF7VMIBzdYFSTGR1OYCCN8zkvI+k1ZObECs58VI0RIKAvCg==
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

2026-09-17T10:31:47.576961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067498
observed 30a5a8b9b88563cb3cfd33f4e8c687bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:47.556915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067498/manifest.json
observed 6fe22649136f973ebfd26522a44a7d11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:47.539304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067498/publication.md
observed e508a2930bc132e4b8dd9008b135a11d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:47.519723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067498/publication.txt
observed be4d492191f42ec026779126128365d1...
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.