OpenTechnical

OT-2026-000038069

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000038069) never changes.

Identity and time

Publication numberOT-2026-000038069 · never reused
Internal UUID01a0ae77-f88b-7b9c-9022-637cac79c325 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038069
StatusPUBLIC

Content hashes

Canonical text74da31e7ff7e69ae089041bf5a80324f3487e078ad74522ad0b359171c16ece7
Markdownaaa1e280a296ecfd85a6895448e542efeaa159e19f84effb88ad33b265151c94
PDF
Publication page3cfa783e3ee9e5ba88b9ea385f82d3638a1162327fd089b7c1bfb83116bb98d7
Manifestb64fac7b571b9e17f445904fb0138c879d9b48c9cf94a16259d088a330c914ff

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
SignaturehuQo0CnJ+Hk1kcn/M5+YyYWAMvYaHaskbvJ7anLmGQD98YiKgO5HZuhIAuEg8NX396sTCYX4IVgNhWbw2TAEAg==
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

2026-09-17T11:23:23.650618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038069
observed 3cfa783e3ee9e5ba88b9ea385f82d363...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:23.632336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038069/manifest.json
observed b64fac7b571b9e17f445904fb0138c87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:23.613674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038069/publication.md
observed aaa1e280a296ecfd85a6895448e542ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:23.593512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038069/publication.txt
observed 74da31e7ff7e69ae089041bf5a80324f...
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.