OpenTechnical

OT-2026-000006472

Publication integrity record

Vacuum cup gripper, per zone isolation, three outlet manifold, ejector fed, silicone cups, oval form

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-2026-000006472) never changes.

Identity and time

Publication numberOT-2026-000006472 · never reused
Internal UUID01a0a95c-735f-7d0f-9587-bf0b278cc466 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:36:43.489987Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006472
StatusPUBLIC

Content hashes

Canonical text610d097cbe3c3a370e52fbe5230d6df272f62ec577cabef408e5285759486838
Markdowndf22ea16287c96741cbbc2613dc43342677260960a93a1687b3da47a8dfeaa91
PDF
Publication pageff0a3a5af0f2da835157bba816dcd78b70fda2262fb6c67285f6fd44037fed5a
Manifestf602f9404b997df849fc88b0ad990373e038fe1f165dafccf16005eefd4bc457

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
SignatureDW4lW93FvGXP8wexMONmgmeCxkLPKjOlJA5zbXmMZGh/V3YzZjwckFWkUbv9JUFiEaNCf4jLSV9O/KURNstyCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:13.688468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006472
observed ff0a3a5af0f2da835157bba816dcd78b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:13.676817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006472/manifest.json
observed f602f9404b997df849fc88b0ad990373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:13.663907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006472/publication.md
observed df22ea16287c96741cbbc2613dc43342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:13.651325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006472/publication.txt
observed 610d097cbe3c3a370e52fbe5230d6df2...
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.