OpenTechnical

OT-2026-000011646

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000011646) never changes.

Identity and time

Publication numberOT-2026-000011646 · never reused
Internal UUID01a0ae6d-1940-755a-8219-391ea7bc8e83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011646
StatusPUBLIC

Content hashes

Canonical text6569039316c977f374b214a97c42a6c5ac2428a46eb03919ec43b020dfc019ed
Markdown109be30c494d07e7868cc43af58ffde11393901b91f5d3c11839c7c014d70161
PDF
Publication page682c11d4435a586ef38c6d7e715bbaaa1c0488e2a25e79cff38df4098e11cd06
Manifest9aaba55fc87d5efb2b2f918db6f5e0309392aaa123929408ade2cc0205ba12ad

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
SignatureENEQzcIb8T0qHeVUznvkNx9SQ1iQCgveiwvv9f7//tz4gjlnhH7p8IdGlwvAb0TMP9oaXJkM6nciV9QmhuDMAQ==
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

2026-09-17T12:12:13.955932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011646
observed 682c11d4435a586ef38c6d7e715bbaaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:13.934214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011646/manifest.json
observed 9aaba55fc87d5efb2b2f918db6f5e030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:13.915472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011646/publication.md
observed 109be30c494d07e7868cc43af58ffde1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:13.894626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011646/publication.txt
observed 6569039316c977f374b214a97c42a6c5...
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.