OpenTechnical

OT-2026-000018871

Publication integrity record

Foam pad vacuum gripper, four zone face, six 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-2026-000018871) never changes.

Identity and time

Publication numberOT-2026-000018871 · never reused
Internal UUID01a0ae6e-d522-7e98-9af7-61c9edcd330e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018871
StatusPUBLIC

Content hashes

Canonical text4995f769d96c03cb1dd780633c50c68753fb47a93cb6e69b031812a5beb0ac85
Markdown48ce97325baaf2b6a33efeafe41e52fea4698dd3b13a362307083005c453c20d
PDF
Publication pagee12469fadcb139844a151c847d40e1da27f40f004f79ceb4c65e444bc65b0faf
Manifest6c02b270812801a65fdfb721b05715623c22aa1f4691cfc1167efd26144a278f

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
Signature2ZneKcksRF/6TpKnqIe49CKKKuy5C/c879T3CzH8M77ewslP9xXFJP0j8dVdsiOjzrmWXVzttbW2V9ezL7kTAA==
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

2026-09-17T11:59:31.178160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018871
observed e12469fadcb139844a151c847d40e1da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:31.159992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018871/manifest.json
observed 6c02b270812801a65fdfb721b0571562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:31.141806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018871/publication.md
observed 48ce97325baaf2b6a33efeafe41e52fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:31.122004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018871/publication.txt
observed 4995f769d96c03cb1dd780633c50c687...
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.