OpenTechnical

OT-2026-000075563

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000075563) never changes.

Identity and time

Publication numberOT-2026-000075563 · never reused
Internal UUID01a0ae94-29fc-710d-85f1-c76fc473eca0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075563
StatusPUBLIC

Content hashes

Canonical text7abcb2c8a2659ffd707ed31c68d9fcd3e6a29ebddd184c3e95f584867d08b067
Markdownd0344d8f549fd01ca2ddc29a7d747bbfa0566d0d20352c4c9130abf55bb25fce
PDF
Publication page358101be12797dc69376939b55efa500ff73bfbf56361fd5616fcbaf22ee9810
Manifest896d459328b3281cd7366d2865000b3aa4b82dfcb23e1f652067f7f502faea25

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
SignaturesTdfAOU3vKcH+FntYy1vPaZ9i1cq56NHtC2KmDkJvIHj1NHmycEkKRIfvgAXWAUXDxT/VwvQGyWEjPNV29jODg==
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

2026-09-17T10:13:08.975826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075563
observed 358101be12797dc69376939b55efa500...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:08.955573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075563/manifest.json
observed 896d459328b3281cd7366d2865000b3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:08.812833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075563/publication.md
observed d0344d8f549fd01ca2ddc29a7d747bbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:08.792380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075563/publication.txt
observed 7abcb2c8a2659ffd707ed31c68d9fcd3...
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.