OpenTechnical

OT-2026-000067364

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000067364) never changes.

Identity and time

Publication numberOT-2026-000067364 · never reused
Internal UUID01a0ae8f-6bd8-7119-8655-038aef812020 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067364
StatusPUBLIC

Content hashes

Canonical text4f1cc48e9db5c194cff82dd43cfb519ce3b051331a673a9241d0fc46aa454a78
Markdown31d2c4b65132e081d68ccc9536cf50692406b65981f2469e430dbc2cd5f89ba8
PDF
Publication page5de4586ca3a25d24d6c8ee3562b90e47d5e2b7fbf0f19e269b128ef8adac8506
Manifestfd5140b5adbc00947905e28facd8b4b769af014ae0ca0bb37ffa35e6a5c67785

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
SignatureytS2Ne6z1vsSW601VD2KyOhoeOMDL3iiknCIIy+m7Q5OGxT6now0ji+QVjtY8l7VPOgR7DVRUukDYhR9qYTcBw==
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

2026-09-17T10:31:32.973221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067364
observed 5de4586ca3a25d24d6c8ee3562b90e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:32.954665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067364/manifest.json
observed fd5140b5adbc00947905e28facd8b4b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:32.936090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067364/publication.md
observed 31d2c4b65132e081d68ccc9536cf5069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:32.917614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067364/publication.txt
observed 4f1cc48e9db5c194cff82dd43cfb519c...
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.