OpenTechnical

OT-2026-000021406

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000021406) never changes.

Identity and time

Publication numberOT-2026-000021406 · never reused
Internal UUID01a0ae6f-865d-7063-a3b7-c4b4abebb274 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021406
StatusPUBLIC

Content hashes

Canonical text605e393c7924cd61d8cbe9442f7905199f226281114b17b674b5dfe6d803bfa7
Markdown8bfb66f0875bb04a9842969b2bae8407a3333886f57d8272f39da5e3984206c0
PDF
Publication page80bb81910188676009ccadcc6c4b60f4d3339949aa8c70664cb9519217d6fb73
Manifestfc26bfc6da03e7de0a6396ce8a0f58a121a8d9572d192c035394ea2fba87d46b

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
Signature0VFpK3O4GO1ORSzUVwPS7Dx8swR+Q+KmqGUi9g32k9GuAgpHWTHyy6iqAwOSwUYv8aX3zcs4l5P1hCkkkeHjBA==
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

2026-09-17T11:55:18.142084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021406
observed 80bb81910188676009ccadcc6c4b60f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:18.118411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021406/manifest.json
observed fc26bfc6da03e7de0a6396ce8a0f58a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:18.094217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021406/publication.md
observed 8bfb66f0875bb04a9842969b2bae8407...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:18.067286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021406/publication.txt
observed 605e393c7924cd61d8cbe9442f790519...
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.