OpenTechnical

OT-2026-000028714

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000028714) never changes.

Identity and time

Publication numberOT-2026-000028714 · never reused
Internal UUID01a0ae72-e2fa-7515-81b8-9333e07cbbbc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028714
StatusPUBLIC

Content hashes

Canonical texta4588a078525289a97c2b08bbe4471bb440ab133d6b535a52e19a3fba2a617c6
Markdown264a2dff350cab8128dd7886a6c32fb4b08d03b5b93ce071b15c5b10637244b9
PDF
Publication pagef809b336abc58598634cbdf893b057079ab451ecaf76bb4a21d92e1f65d4d56e
Manifestf0a25c2671d5a8cfa2e9622658b87b0fb35f6faba3f9bc616fcf4aee2135dc00

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
SignatureZ/h+afsPSzXYJxFqVSmM1sI604k2pHXzpV24z1u7EzNxsV0GmSzvp1v3gNlJ03StC534AFJI2VSuusuHsrDRDQ==
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

2026-09-17T11:41:43.169774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028714
observed f809b336abc58598634cbdf893b05707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:43.145946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028714/manifest.json
observed f0a25c2671d5a8cfa2e9622658b87b0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:43.125256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028714/publication.md
observed 264a2dff350cab8128dd7886a6c32fb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:43.104520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028714/publication.txt
observed a4588a078525289a97c2b08bbe4471bb...
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.