OpenTechnical

OT-2026-000029038

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000029038) never changes.

Identity and time

Publication numberOT-2026-000029038 · never reused
Internal UUID01a0ae73-2a9f-729c-a997-3e6ddff1a18d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029038
StatusPUBLIC

Content hashes

Canonical textc33074d8c5a48f717beabbcafbb62e6f40f77b777a053ef8c89cfe8834ef19e4
Markdown39bf1c633368bdbb4045753c6dc0c03059d03e5172f8400809913ab00bd181d7
PDF
Publication page0db10b68558d211c5ab3b043d59e97ac976eb25cf1e3e4dc864bde185d112931
Manifest02c9ce5313a5649504ec68f6b217c2b75b003ff27bfcd005d8c55b810f4a6d66

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
SignatureZK1yvb28VvVXUoqSaxh/n425B/mYtSkkGMBApVQm82I7Gh1AwJqMIf8oTWBreRZPAaxWRrov96ygZumnUTfDBg==
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

2026-09-17T08:20:39.037698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029038
observed 0db10b68558d211c5ab3b043d59e97ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:39.021149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029038/manifest.json
observed 02c9ce5313a5649504ec68f6b217c2b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:39.003869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029038/publication.md
observed 39bf1c633368bdbb4045753c6dc0c030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:38.985862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029038/publication.txt
observed c33074d8c5a48f717beabbcafbb62e6f...
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.