OpenTechnical

OT-2026-000019623

Publication integrity record

Foam pad vacuum gripper, three zone face, two 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-2026-000019623) never changes.

Identity and time

Publication numberOT-2026-000019623 · never reused
Internal UUID01a0ae6f-1fb3-76a3-b20e-c52c8153e094 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019623
StatusPUBLIC

Content hashes

Canonical textdaac7b8c80d58ea901bb1e6da788c6dc3bf070eee87d081e02a6e89ab2346720
Markdownc0685f195f2a9da6eac44fcbb4f82dc6f682ff4c67d422994451198cc40f2481
PDF
Publication pagede385f26ba77577f0d081b1bcd98ef20a1abf815a3afd8bf720c95f9034ce554
Manifest90c388ae95b14cd1d00eb3aa8946281772e985261cbef83c83119d621cf2c95f

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
SignatureP2/eIKHytL5kPDFT6rAKsY8RN4sRRgW05M05X/MnTrk7TbHZPuDNIpbs39wF4tHMIsyn3MRdIMGXBmOkIi+FCA==
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

2026-09-17T11:57:40.624981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019623
observed de385f26ba77577f0d081b1bcd98ef20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:40.606450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019623/manifest.json
observed 90c388ae95b14cd1d00eb3aa89462817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:40.587824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019623/publication.md
observed c0685f195f2a9da6eac44fcbb4f82dc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:40.569949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019623/publication.txt
observed daac7b8c80d58ea901bb1e6da788c6dc...
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.