OpenTechnical

OT-2026-000012093

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000012093) never changes.

Identity and time

Publication numberOT-2026-000012093 · never reused
Internal UUID01a0ae6d-1943-730f-91a4-90b87d300ff1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012093
StatusPUBLIC

Content hashes

Canonical text0e0b24de72b1e2b70640c88683d85420169ae9e3b748bf8a7cf48868c2fb8bff
Markdownc485989e907b1a4ef5c2f00486118f754f57ddc394e52887b4ce9a26b0c845a1
PDF
Publication page69941f383f5f949dab3deb0718deacf7f89b2a92339a309c3829e47c3737dd2d
Manifest0a3622da98a56631b4f2261b92bff234aebf5f6838d215e59da2354bcb2c1969

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
SignaturenQ8sWCw5OWN2rwi5ZyiwL+t5uI+bO9fBrPREpH+fMBOuVzOXjbAbTgjChEwM5lvM3JpuvPLiCLwA7vOcrmurBw==
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

2026-09-17T12:12:59.152888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012093
observed 69941f383f5f949dab3deb0718deacf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:59.134632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012093/manifest.json
observed 0a3622da98a56631b4f2261b92bff234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:59.114942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012093/publication.md
observed c485989e907b1a4ef5c2f00486118f75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:59.094261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012093/publication.txt
observed 0e0b24de72b1e2b70640c88683d85420...
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.