OpenTechnical

OT-2026-000025279

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000025279) never changes.

Identity and time

Publication numberOT-2026-000025279 · never reused
Internal UUID01a0ae71-5fa6-7f43-b7b8-dac4f39add57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025279
StatusPUBLIC

Content hashes

Canonical text1c79ea3675b6a56ab820a399ad582a0c736a2f33901f72616c69b900d630c116
Markdownc9732fa1b0507ddd8dd18f78765a5dab22bb99641eba226394ba04eb9c4df720
PDF
Publication pagee30a41225f79bc29cdcfd089481f1ee2ecd34cb40d5c1c5056e9fdcce75946a3
Manifest0e26a21ce85b3f25cec911a523991cc726a55b37f19ab51df524fab6aa223d4d

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
SignaturevPHr0tk4vlrZcJd7wZs9CNmBJpTtxQgwe2IhgP0wjppzbzRMFyhdv9rJbGUHx4dOzvRKa291tY6QKr5Rn81YBg==
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

2026-09-17T08:41:32.504291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025279
observed e30a41225f79bc29cdcfd089481f1ee2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:32.250136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025279/manifest.json
observed 0e26a21ce85b3f25cec911a523991cc7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:32.040316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025279/publication.md
observed c9732fa1b0507ddd8dd18f78765a5dab...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:31.583493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025279/publication.txt
observed 1c79ea3675b6a56ab820a399ad582a0c...
fetched by grabo-systems from 34.44.131.203, 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.