OpenTechnical

OT-2026-000032286

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000032286) never changes.

Identity and time

Publication numberOT-2026-000032286 · never reused
Internal UUID01a0ae75-106d-71c6-902f-7dd8ad0f87dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032286
StatusPUBLIC

Content hashes

Canonical textc1ca9e6232b25d4c69dfdb475af835f0f9149ff94b8aff77c5a3fca2626eca51
Markdownd93ff85f6f003d3afd76ddb50166192bf6fb2d31ac820809a2f521768248374f
PDF
Publication paged5bf77fad8a66ea190b01ad6c09cbd43db95b5eb4b5e460fb972e6a73045c4d3
Manifest1d02a7401d24f1a762fe27ec66555b0f65c6260045b9a8c28a2dae32e423f6cf

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
Signature5fOBWLKvIC27hxKbgmLlL5HD0/yOyndWZCUiwbDgxMGBQbOlahYxzQ/HcFHmnriqiS+rYwi3G9UzrRS67xPcBw==
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

2026-09-17T11:33:06.633706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032286
observed d5bf77fad8a66ea190b01ad6c09cbd43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:06.615134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032286/manifest.json
observed 1d02a7401d24f1a762fe27ec66555b0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:06.595476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032286/publication.md
observed d93ff85f6f003d3afd76ddb50166192b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:06.575590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032286/publication.txt
observed c1ca9e6232b25d4c69dfdb475af835f0...
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.