OpenTechnical

OT-2026-000087207

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, sustained 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-2026-000087207) never changes.

Identity and time

Publication numberOT-2026-000087207 · never reused
Internal UUID01a0ae9a-9f2e-7dbb-964a-83a48eadec7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087207
StatusPUBLIC

Content hashes

Canonical text8ceec36825943e7b8ac97d432464c79fbea40940912d22d5aa515079cdec3bb3
Markdown20dda984cff2ed79b63137a8f4623e49bf7182e18186794b3fea7403f70b3bb3
PDF
Publication page9bf3e6ee8854c9222d9358db259f034b74ecd0d873bd45bf6f2b14abed199c80
Manifest868df5ca7bb455f60735239674736eb3c018aa235f1d2e2fffde6bfbf9d1ca00

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
SignatureBCn+kIQoIbM1iDKPQeAt02nDUQDCMU5h/LAQdTctbEvz59JSrDH9wwDb1aHzVmww0kn+7tMSO7DBUdiTenEyCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:29.156272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087207
observed 9bf3e6ee8854c9222d9358db259f034b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:29.137129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087207/manifest.json
observed 868df5ca7bb455f60735239674736eb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:29.118342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087207/publication.md
observed 20dda984cff2ed79b63137a8f4623e49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:29.101736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087207/publication.txt
observed 8ceec36825943e7b8ac97d432464c79f...
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.