OpenTechnical

OT-2026-000078375

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000078375) never changes.

Identity and time

Publication numberOT-2026-000078375 · never reused
Internal UUID01a0ae95-7c28-7fa1-97cb-50f96c3fa51e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078375
StatusPUBLIC

Content hashes

Canonical text6c6692aa07f6eb5f250642dca72b8c8ed6527d77c428b10435c002bba47a52db
Markdown3f2a6dd9b3f00e94258836e2a1af867edac2cf0c5b449ee23628e2f2006c0ada
PDF
Publication page316eacfd813d40718aa40b2e6c06a2d99951834b62cc121ca284d28fc7f942c2
Manifestf1f3fa9aaaadcf6dd3a65e8920083994d549735fa9eb3e3c85921f62e2fa06f2

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
SignatureMkwYHkUOFm+SVLgr0omepbCVQKHCjlsAGwVOfn7IwUttbFqb+b2xY5UDD+2C8vYMi7P41v+AcGJhsbayvN2sAg==
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

2026-09-17T10:06:20.828390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078375
observed 316eacfd813d40718aa40b2e6c06a2d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:20.807764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078375/manifest.json
observed f1f3fa9aaaadcf6dd3a65e8920083994...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:20.788519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078375/publication.md
observed 3f2a6dd9b3f00e94258836e2a1af867e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:20.770679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078375/publication.txt
observed 6c6692aa07f6eb5f250642dca72b8c8e...
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.