OpenTechnical

OT-2026-000045595

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000045595) never changes.

Identity and time

Publication numberOT-2026-000045595 · never reused
Internal UUID01a0ae7d-8f02-7032-9dcd-b256ad0c60d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045595
StatusPUBLIC

Content hashes

Canonical text9122b52a174f827cc563808f4e1875c0272f1bc02f5f02b1ad24859260e42953
Markdownc0fe15a955e16801cab20b6038eba12d048a8fd42033800a2c3f6e3956118290
PDF
Publication page150b8642a9bb6c2983a582226d57340bb00bd8d7ce092637e2dbbc1fc2848e36
Manifest56120b1a73186fdeb60a481e9ac27be451d1e70603d194e914f270e03bd52118

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
SignatureYFYJDC4Sa+mDCGiyBH2Q0eW+y0bUAnHnb9aNzz6v8mU7Jl6nlRQWgf3Z1MQ5NLDvJmCGshK5iRHEJCWP/SWxAA==
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

2026-09-17T11:09:21.979669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045595
observed 150b8642a9bb6c2983a582226d57340b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:21.960690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045595/manifest.json
observed 56120b1a73186fdeb60a481e9ac27be4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:21.941589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045595/publication.md
observed c0fe15a955e16801cab20b6038eba12d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:21.924028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045595/publication.txt
observed 9122b52a174f827cc563808f4e1875c0...
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.