OpenTechnical

OT-2026-000069965

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two 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-2026-000069965) never changes.

Identity and time

Publication numberOT-2026-000069965 · never reused
Internal UUID01a0ae91-1860-75a0-b39d-277456824292 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069965
StatusPUBLIC

Content hashes

Canonical textef994815cf8fa33eeb89855f2a89871bf03973ea7762c033a0c40d72eac6290a
Markdown15cd0a1bab43e1e6c09df3f7f77a402d5d88a65ea5499a87f409f64e1d22a00c
PDF
Publication pagefdcb7e92cd3ea56f3a35e2bff320737da178700d74a8d585d527c1390a3b5040
Manifestc746cc8f3adbe0c15255c8f8bc014fee6c5e235e64ca732429c34494f7c9aabd

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
SignatureKaVndbi1KHTG3TcxjPhD9nR1J7M9RQSwzga0o+XsnjgHwyggtXKWAz36LqGSC3kJwwenru+KJpCDSmt7kNoCBA==
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

2026-09-17T10:26:54.388861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069965
observed fdcb7e92cd3ea56f3a35e2bff320737d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.371970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069965/manifest.json
observed c746cc8f3adbe0c15255c8f8bc014fee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.354892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069965/publication.md
observed 15cd0a1bab43e1e6c09df3f7f77a402d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.337155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069965/publication.txt
observed ef994815cf8fa33eeb89855f2a89871b...
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.