OpenTechnical

OT-2026-000018513

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000018513) never changes.

Identity and time

Publication numberOT-2026-000018513 · never reused
Internal UUID01a0ae6e-b48a-7729-9418-fa302ae74d82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018513
StatusPUBLIC

Content hashes

Canonical text65cbb7d9fa13c0ccc97270f15194c6168b44f5764b60a00059c202f84391e0c5
Markdown0b26d60f3b9dd478eeb49c80bd7fb2c483ca553f46a19fca8538fa62a795c267
PDF
Publication pagef4dd1f3beff7ad80a54cac734f136c25afe21c7083d1b04d6b606f3b92a102e3
Manifest589251561e38db8b906614d1df6b8c22a271913251de28c6d911671f1df6829c

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
SignatureZF+TfkDhpPzeR9lh1TlcB81yz3qZG/U9cQ7+1OKBdFMWOuSRmEwRo4LXygpTkdqi0103OXrZHXYe6+g43rrgAA==
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

2026-09-17T12:01:17.091970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018513
observed f4dd1f3beff7ad80a54cac734f136c25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:17.073953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018513/manifest.json
observed 589251561e38db8b906614d1df6b8c22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:17.056563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018513/publication.md
observed 0b26d60f3b9dd478eeb49c80bd7fb2c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:17.033340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018513/publication.txt
observed 65cbb7d9fa13c0ccc97270f15194c616...
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.