OpenTechnical

OT-2026-000088634

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line 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-2026-000088634) never changes.

Identity and time

Publication numberOT-2026-000088634 · never reused
Internal UUID01a0ae9b-8f0f-799a-a5e5-17450de00aa1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088634
StatusPUBLIC

Content hashes

Canonical textfea2b2f8ae3e9f59fc52408addb0663ad2ce07bb4ab90b467dd9cae1e38dceec
Markdownc4e5a1ae6758f62c202712c72ae67ebed6adda43c6ab007f2d613de8e143f4f7
PDF
Publication paged08111ba2e2691c470b795f06136a82087ba8cbd435c138734efb1e57ce032f5
Manifestd1a1ac4ba5bc714af03ab6695972c8a7aeeb1d502914469dcd63f4a7f5c53aa2

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
SignatureYU2EiFO7nnIBUpcceZi4pRJnyF06OrREUt2kbcwFpkmfQ7XMzeEZdV7XkA82FfHzJSFUO/8ASVhcno9N+BVkCQ==
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

2026-09-17T09:47:50.751642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088634
observed d08111ba2e2691c470b795f06136a820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.734214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088634/manifest.json
observed d1a1ac4ba5bc714af03ab6695972c8a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.714646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088634/publication.md
observed c4e5a1ae6758f62c202712c72ae67ebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.698932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088634/publication.txt
observed fea2b2f8ae3e9f59fc52408addb0663a...
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.