OpenTechnical

OT-2026-000017823

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000017823) never changes.

Identity and time

Publication numberOT-2026-000017823 · never reused
Internal UUID01a0ae6e-96fb-70cf-89c3-cc05ad72c9ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017823
StatusPUBLIC

Content hashes

Canonical text60d2b57335bbd5a4a54a8707a5ba44196552cc7f9f489bcecc0c3010b6a6cb8c
Markdown4680f901308bcf49a42f768cc2198c46af5d7c5efaead3d85142cb1d7af596b5
PDF
Publication page8b17516955326fd70b6e94565a367e765cdbc017a4384fccb70ff671494a50b6
Manifestd69343ff9232ac5feebc46e36293e388307f5140ffa428f9dfe2f0376299aecf

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
SignatureU23QB0su1WJto9Gxlium/7qdyLS8O2gk8t1Y7sXf1HC5GAxj3/C9tzWE8JdLsZdWPtWDDk+kbQ7lYsy8mAj6BQ==
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

2026-09-17T12:01:47.781468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017823
observed 8b17516955326fd70b6e94565a367e76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:47.765964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017823/manifest.json
observed d69343ff9232ac5feebc46e36293e388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:47.750607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017823/publication.md
observed 4680f901308bcf49a42f768cc2198c46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:47.734414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017823/publication.txt
observed 60d2b57335bbd5a4a54a8707a5ba4419...
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.