OpenTechnical

OT-2026-000054357

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000054357) never changes.

Identity and time

Publication numberOT-2026-000054357 · never reused
Internal UUID01a0ae85-b3aa-713f-9fcc-949ee4d06ca1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054357
StatusPUBLIC

Content hashes

Canonical text2b4c6b8200f18e77620c7a40b018eb3f320cc80bcc42058b84f113039f276dd8
Markdown7fde0be484ba02e47f8fb2a3a58a9ecf4c2938a6cbefe9411a41db024cd74100
PDF
Publication page4000760c0921d95d5b7f14fc5ddc7753b53fe1be00b24186494e710505cb6ff8
Manifeste174ca2cbe80d8f89186c63e8f53e12475ab33bdd390d80b26e58c22daa1764a

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
SignaturetR721ndE8ojxb/iXd5JXD7pOJFFDhANKieseVTtCCsFXQZSSAjYpp9/eceZcf/es85fPSMpZ4fFL1drNu6IsDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:52.755082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054357
observed 4000760c0921d95d5b7f14fc5ddc7753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:52.736006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054357/manifest.json
observed e174ca2cbe80d8f89186c63e8f53e124...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:52.717880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054357/publication.md
observed 7fde0be484ba02e47f8fb2a3a58a9ecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:52.699740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054357/publication.txt
observed 2b4c6b8200f18e77620c7a40b018eb3f...
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.