OpenTechnical

OT-2026-000075395

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two 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-2026-000075395) never changes.

Identity and time

Publication numberOT-2026-000075395 · never reused
Internal UUID01a0ae93-f201-7bc0-8144-4c22ac4a4602 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075395
StatusPUBLIC

Content hashes

Canonical text6625c0f51b0319b58a86e59970497a4d87316810228df3430c8297b1df206a00
Markdownd58208b56b2c2cf62ce19f6f054916492644cc1a451e289d65f2183359cb0fa2
PDF
Publication page1502f5bdfee0b866bc8cf637a42519b137c142c439ef4e617217fff0bbad019a
Manifest8052ae5a2612d243836218cdd15cd56bbff788e90f3c6a3b29ba67690ae4a0be

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
SignatureBLYz1ZG4iFQyDxxEBeFE8cBQ0KO8fMGDbNaH3MXo3W9i4n3K06IYRRbvKzp3r7nrLJqpqwUyn3a0ArshPixyCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:17:28.547834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075395
observed 1502f5bdfee0b866bc8cf637a42519b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:28.297859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075395/manifest.json
observed 8052ae5a2612d243836218cdd15cd56b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:28.275318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075395/publication.md
observed d58208b56b2c2cf62ce19f6f05491649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:28.257097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075395/publication.txt
observed 6625c0f51b0319b58a86e59970497a4d...
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.