OpenTechnical

OT-2026-000016805

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000016805) never changes.

Identity and time

Publication numberOT-2026-000016805 · never reused
Internal UUID01a0ae6e-5919-7801-95d2-682951def60d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016805
StatusPUBLIC

Content hashes

Canonical text9ab50895b2e6e00618558ab1394bbbed9771be261e9436f795ef1ca1768086ca
Markdown8b5bf59f98e805225f55d31a0fcff3b9752922111189d2ea351a2a710f85b849
PDF
Publication page13364f1e3d92660ca6a7e8b1a7e4847bc8325176e35e35421e5d0401b475368c
Manifestf457ef5e01057172cc81faed955ba46b44b77eed86cebd9bab0643dc29850e20

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
Signaturea8PmBNPGO51aetXZ/zA2sQimCbEOcpPhvRnwNtGIkKWOd8P6zMje1GGYknEPqJdH2FV99wAJB8M18lVXnO2ODQ==
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

2026-09-17T12:03:03.492222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016805
observed 13364f1e3d92660ca6a7e8b1a7e4847b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.475328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016805/manifest.json
observed f457ef5e01057172cc81faed955ba46b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.457846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016805/publication.md
observed 8b5bf59f98e805225f55d31a0fcff3b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.439557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016805/publication.txt
observed 9ab50895b2e6e00618558ab1394bbbed...
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.