OpenTechnical

OT-2026-000017187

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pulsed blow-off before set-down

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-2026-000017187) never changes.

Identity and time

Publication numberOT-2026-000017187 · never reused
Internal UUID01a0ae6e-76c7-7b78-9905-d34ac8a35da4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017187
StatusPUBLIC

Content hashes

Canonical textdcf380436771cd46a643ebc05a3de98fb16ec56ae3aec6039a1ea5d9618716ba
Markdownd81b0473cb0d2a982f43d6dbb8f4008a26d9a9ad501009a902e87bc06345ffc9
PDF
Publication page0e38be383332f97e9cd63b34fdfe4b220a5ffd18d35eee3a6a1a37b1b26b02a2
Manifest18aae088d60ecac23ef4304bfda084dba8e81703a6f6c139f069fd65d3cce627

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
Signature6WBSalXihFGfeNNQkN0T3/L82AzBWOJ26osM4FdWGLolzBlpx1JB3DWGjHo07aV3X6dqcV763fmCq1j967rqCQ==
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

2026-09-17T12:02:15.398857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017187
observed 0e38be383332f97e9cd63b34fdfe4b22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:15.382964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017187/manifest.json
observed 18aae088d60ecac23ef4304bfda084db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:15.367229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017187/publication.md
observed d81b0473cb0d2a982f43d6dbb8f4008a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:15.350485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017187/publication.txt
observed dcf380436771cd46a643ebc05a3de98f...
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.