OpenTechnical

OT-2026-000018717

Publication integrity record

Six cup vacuum gripper, six outlet manifold, 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-2026-000018717) never changes.

Identity and time

Publication numberOT-2026-000018717 · never reused
Internal UUID01a0ae6e-d520-7e1e-a819-0dbe892fca54 · 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-2026-000018717
StatusPUBLIC

Content hashes

Canonical text09f2dbb439ef8329380e24bd3488c54fecac5c59df3d0e12f060b1791e4da441
Markdowna8714c12517a7c6ec778d94c8bed9e3d7b71c86f64f7543ece14a486173285b6
PDF
Publication page497c6ff11e5e328ead24f78b5158c95a6a7ed35924b9a7480620272b33ee6f80
Manifestd5c3a2ac55b59300f46cdcb4e75614d83ec08e7356b24852e0c8bacc6fe9b89f

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
SignatureJEeCcr/yq6vHCvs4c75XZ0xF8tEMSoQFzRJ6Do31BiwRqrIaT3cO6QNFJn1JD6BlNvZ4q01XD9NMRSprFsS5Cg==
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

2026-09-17T11:59:19.311172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018717
observed 497c6ff11e5e328ead24f78b5158c95a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:19.292358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018717/manifest.json
observed d5c3a2ac55b59300f46cdcb4e75614d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:19.273648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018717/publication.md
observed a8714c12517a7c6ec778d94c8bed9e3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:19.253888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018717/publication.txt
observed 09f2dbb439ef8329380e24bd3488c54f...
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.