OpenTechnical

OT-2026-000016668

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000016668) never changes.

Identity and time

Publication numberOT-2026-000016668 · never reused
Internal UUID01a0ae6e-5918-7a7e-a466-c537a129b8b9 · 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-2026-000016668
StatusPUBLIC

Content hashes

Canonical textd160d8279298dd76db1bf8bdf53b85054cef9e17acaa688c08f52e4209fd3853
Markdown54465cddcb2240fe99c555d37daccdc8f81522f879ff901ac641d2e5bd592582
PDF
Publication page2f760b22989300e05cbd7e4769b0fbc90b13700c5a8b22080a50ca3c1ac57992
Manifest11b9115d8eb5d6cd0c1e3f07e495056000aa20546345130535f9d8fee36562c6

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
SignatureOjCkqstMwrYDFf87Tl0USF/TeekuJ5d7wh2s9mkDu7nCA4Kdq1TCOdco1ZoFNpd/mjY6YCdEGV+R6TRAeNaNBg==
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

2026-09-17T12:02:53.024584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016668
observed 2f760b22989300e05cbd7e4769b0fbc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:53.005227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016668/manifest.json
observed 11b9115d8eb5d6cd0c1e3f07e4950560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:52.985801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016668/publication.md
observed 54465cddcb2240fe99c555d37daccdc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:52.967381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016668/publication.txt
observed d160d8279298dd76db1bf8bdf53b8505...
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.