OpenTechnical

OT-2026-000016909

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000016909) never changes.

Identity and time

Publication numberOT-2026-000016909 · never reused
Internal UUID01a0ae6e-591a-7fe7-a93a-9a91bd2cc594 · 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-2026-000016909
StatusPUBLIC

Content hashes

Canonical text74ac88394760818c96f26659148eee26290922599108f894617b746cd491aa12
Markdown0593de3328d6882ef7dc8b8af8731204f55b427b6a9698bf96e201d0c0221239
PDF
Publication page0c1ac2a72770fd9362468a8c9b4752ea97eb2b85bdfbb91b3b606a0440fb74de
Manifest8d44095634166e0e70f1f10439f5a419ae25e22ffed0c3e5c6fc8cd68e8ab16a

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
SignatureQVJKkUh4Yv4rEdIHUQqSi67sMuwsstDt8cA6LxwH48r8Tcigpf5OvSYuVxWD+IxMIIy/2uVvXk3AOx5PdMZdAg==
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

2026-09-17T12:03:11.340318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016909
observed 0c1ac2a72770fd9362468a8c9b4752ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:11.323311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016909/manifest.json
observed 8d44095634166e0e70f1f10439f5a419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:11.304805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016909/publication.md
observed 0593de3328d6882ef7dc8b8af8731204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:11.287911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016909/publication.txt
observed 74ac88394760818c96f26659148eee26...
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.