OpenTechnical

OT-2026-000032275

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000032275) never changes.

Identity and time

Publication numberOT-2026-000032275 · never reused
Internal UUID01a0ae74-f7a8-7350-b4c6-6a9578c13324 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032275
StatusPUBLIC

Content hashes

Canonical text928a896b48b71682b5a7cb2fdcf217b928bf88117ea9e19cb7b9a0770ba15811
Markdown30449dcb3bc3e7149287b498170fa9c3cd75d0550498cd0e5d99e13077c18c34
PDF
Publication page9f0be56453e53178c734bd813c58c2957b01867a58d497cbe55854820b6f6964
Manifest04362f97bc2ff030465285131d4d72374c39e9f980a5b02f019a25cb574e5605

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
SignatureiOUjqWDYYF+NiuqKyMS+4Yv8st5sj5wPlr7tKUYmnwkMz1c9phRgfLJV2XsA94uJqo0gPAfdzjHYMx9tWhGuCw==
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

2026-09-17T11:34:38.346954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032275
observed 9f0be56453e53178c734bd813c58c295...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:38.329397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032275/manifest.json
observed 04362f97bc2ff030465285131d4d7237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:38.309828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032275/publication.md
observed 30449dcb3bc3e7149287b498170fa9c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:38.293602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032275/publication.txt
observed 928a896b48b71682b5a7cb2fdcf217b9...
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.