OpenTechnical

OT-2026-000030487

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single 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-2026-000030487) never changes.

Identity and time

Publication numberOT-2026-000030487 · never reused
Internal UUID01a0ae73-e504-7d5e-9584-0c390e4b2bf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030487
StatusPUBLIC

Content hashes

Canonical texte57aefe3ef7a8092882d13b8f5f7ca80b5f980d501ac1009138e78d592d1dfe9
Markdown5cf55a1480fa4bb20029021805caf3baa46812b61c96425a43b5072a50ef06dc
PDF
Publication page42c67f192cebf8932c06d0b3a1dd4240c9cad155fe0c2153b07353f7fd12a301
Manifest0989721fcfdf753e80755c7c9ec4d0a9873f00c9bd05e2847e29f7d052a92a07

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
Signature+AOqKI3e3WJUxAlvolSJj3fOX83sShThazzcqsQzuAimZVgHHPI2gTT7zuqsMypMPmsPAdhwFiOL8E1Qqr/nAQ==
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

2026-09-17T11:38:20.433448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030487
observed 42c67f192cebf8932c06d0b3a1dd4240...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:20.414442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030487/manifest.json
observed 0989721fcfdf753e80755c7c9ec4d0a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:20.395323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030487/publication.md
observed 5cf55a1480fa4bb20029021805caf3ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:20.375660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030487/publication.txt
observed e57aefe3ef7a8092882d13b8f5f7ca80...
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.