OpenTechnical

OT-2026-000012012

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000012012) never changes.

Identity and time

Publication numberOT-2026-000012012 · never reused
Internal UUID01a0ae6d-1943-7171-b34e-150f3635153d · 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-2026-000012012
StatusPUBLIC

Content hashes

Canonical text1ee1cd0fd812d5075dff5436d8ffe560b06b7dd81274b84f4ea63af09379c712
Markdown6e38bce434a30a4955b94e0d37229dd0daccd64d05203441006caaab14ce30f3
PDF
Publication pagef000a6f231f8c7e4755fcea4e17d64089681c0fd8c8703a7a3274e41b388266b
Manifest6391381bc9fc4199dc197a4a26cc39c51e9953bcee23a1a56012881c289b21ac

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
SignatureR5W6UxiBcTq4JT5OgbmIcGoxmr6OgHI5jCovR79iojgbh8dlxSw94gWOsUlnqaKhJWkCb3p38GC8+mNn6ZHJDw==
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

2026-09-17T12:12:52.859262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012012
observed f000a6f231f8c7e4755fcea4e17d6408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:52.840465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012012/manifest.json
observed 6391381bc9fc4199dc197a4a26cc39c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:52.822124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012012/publication.md
observed 6e38bce434a30a4955b94e0d37229dd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:52.802886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012012/publication.txt
observed 1ee1cd0fd812d5075dff5436d8ffe560...
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.