OpenTechnical

OT-2026-000028206

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000028206) never changes.

Identity and time

Publication numberOT-2026-000028206 · never reused
Internal UUID01a0ae72-a520-750d-b3a5-24840f68af9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028206
StatusPUBLIC

Content hashes

Canonical text9f59534889dc22a154276a20fa2f90e409d797c8f8680154574686e058752f03
Markdowna6b8143cb2ff2e7ea5242a8572af46ac7a1621ba7b15b5a87cb7376e5bc21089
PDF
Publication page1c67c952199f6cd324421a9a83186eb010a723d598bb13ab1115963759a2c705
Manifest5eae9a7c4bb3ed963effdc5b1c5042055ae6a599133b15e60acf5e27d3891b73

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
SignatureT0tRuDqp7C/lKABWMH4hzTdl3T5+FLQl3K6YyKfbxLcZpkBrIoJHqvxBYGicki42Nss0OfX93Wi4dqdRlyAKAA==
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

2026-09-17T11:42:34.219116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028206
observed 1c67c952199f6cd324421a9a83186eb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:34.202098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028206/manifest.json
observed 5eae9a7c4bb3ed963effdc5b1c504205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:34.185781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028206/publication.md
observed a6b8143cb2ff2e7ea5242a8572af46ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:34.167749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028206/publication.txt
observed 9f59534889dc22a154276a20fa2f90e4...
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.