OpenTechnical

OT-2026-000033834

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000033834) never changes.

Identity and time

Publication numberOT-2026-000033834 · never reused
Internal UUID01a0ae75-a391-7e75-b875-12de4908c682 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033834
StatusPUBLIC

Content hashes

Canonical text336f533b430d461eac6878d4f242971d13ff46777360e33b11f495296dcdd962
Markdown674ed9f111079d92aac6f8b301eb4a1bdaa3f85e37a2996c270279123377a626
PDF
Publication page657caab5baeaf952e27e78e0907c9e3e83e57f9150bfa92d105e8f1cf31001cd
Manifest6cc1ff056e970680a25034dbcb8365e3787cca8a02dbcc4170052a10bf571bdd

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
Signaturedcpf2veDT+RNeAnIRjLyN5m5zAhDzgaXoArbvCWPkxdplemaMLp4hclmtuyx1ZBVYrA9k3vPD4qSbIKAqIMVAg==
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

2026-09-17T11:31:53.307559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033834
observed 657caab5baeaf952e27e78e0907c9e3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:53.290514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033834/manifest.json
observed 6cc1ff056e970680a25034dbcb8365e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:53.265168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033834/publication.md
observed 674ed9f111079d92aac6f8b301eb4a1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:53.246975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033834/publication.txt
observed 336f533b430d461eac6878d4f242971d...
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.