OpenTechnical

OT-2026-000033039

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, 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-2026-000033039) never changes.

Identity and time

Publication numberOT-2026-000033039 · never reused
Internal UUID01a0ae75-4843-781e-a439-7795fb2e0efb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033039
StatusPUBLIC

Content hashes

Canonical textdfcd62a07c85981d278035b7a693e5d33c66a3d0b279c41f65305a6663ff4711
Markdown42c03ab94e01682ea5e233f84f5fe40ddbd9dbdc7acca94267468e03ca21f13e
PDF
Publication page0a9c74348d7b05aa595fb19cbfbba50e1ea12943dec1144fbd6e55d8cb80a068
Manifest78292da354d2eb9479e7d6383057fa2999a27a6ad46631961af79e8b6b5278c5

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
SignatureTvkoWl2DXDWX3bMX9lmjEAO3OUanp3hMRPGdc/Z/XN0wsRoHLS18jfBxITAZie67h9bli/Qh3DDF62VDrDjvBw==
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

2026-09-17T11:32:40.568534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033039
observed 0a9c74348d7b05aa595fb19cbfbba50e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:40.549959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033039/manifest.json
observed 78292da354d2eb9479e7d6383057fa29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:40.523309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033039/publication.md
observed 42c03ab94e01682ea5e233f84f5fe40d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:40.506341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033039/publication.txt
observed dfcd62a07c85981d278035b7a693e5d3...
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.