OpenTechnical

OT-2026-000016872

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000016872) never changes.

Identity and time

Publication numberOT-2026-000016872 · never reused
Internal UUID01a0ae6e-5919-74b3-9dbf-2f5f146d3665 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016872
StatusPUBLIC

Content hashes

Canonical text5d8ed6841db8ba87df055af0862a7e37f0907301aa0ebf5d0886b83cac9b295c
Markdown9de4896a6822246e73d1cb581c7b12641e90953d0d7ff4cbccc844907203af2b
PDF
Publication pagea92a61d30bc258838338f4b5483c2e5cf3898c9b35d1c4813f94d1f100c110bf
Manifest33e94d36c8c992de56e144c8a8d12420c71d3323a8e72609cf84a61825404994

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
SignatureE/o+SQm7aGvG01qnGEfPotUpQxv5yBOBgQa795WiiA52IrBoRzOAj/ZXm26SBGjnlMimGpw65svJzk5i+2lzBw==
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

2026-09-17T12:03:08.518102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016872
observed a92a61d30bc258838338f4b5483c2e5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:08.501894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016872/manifest.json
observed 33e94d36c8c992de56e144c8a8d12420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:08.484003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016872/publication.md
observed 9de4896a6822246e73d1cb581c7b1264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:08.465864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016872/publication.txt
observed 5d8ed6841db8ba87df055af0862a7e37...
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.