OpenTechnical

OT-2026-000012027

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, 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-2026-000012027) never changes.

Identity and time

Publication numberOT-2026-000012027 · never reused
Internal UUID01a0ae6d-1943-7308-a9b8-9b09b970392d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012027
StatusPUBLIC

Content hashes

Canonical text565c885adff313b4dc71358b43a04c58a8b4ca2dd060eac60001be7019080f56
Markdown8ca5a0072fdd6c9fe8aca2a07392ab8af5dd08af1c4a4f557c984415c9602354
PDF
Publication page38bd4b650b5b4cb43955a1c44e1a2fb4945ac983f80997641d590b6bd6b40ace
Manifest92db35735d44f563da62e609f829f46e960a286ba04ab195d6890f3cd50b17a7

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
SignaturenxJgSUaV6va9ZsAeqWeZkFQ61QEGvDC0F3vdBgi1gEjAfyZcs33urOkdOYvzgnZDDzIPBVpT79PuPs+uazfVBw==
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

2026-09-17T12:12:53.987485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012027
observed 38bd4b650b5b4cb43955a1c44e1a2fb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:53.967541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012027/manifest.json
observed 92db35735d44f563da62e609f829f46e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:53.947726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012027/publication.md
observed 8ca5a0072fdd6c9fe8aca2a07392ab8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:53.929187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012027/publication.txt
observed 565c885adff313b4dc71358b43a04c58...
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.