OpenTechnical

OT-2026-000092904

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000092904) never changes.

Identity and time

Publication numberOT-2026-000092904 · never reused
Internal UUID01a0ae9e-090e-7ace-870d-0b95dd5a0f9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092904
StatusPUBLIC

Content hashes

Canonical text39642a442e035263135149c572962bd6f2402816d70fbc9859273a7fed7218e6
Markdown4296ee422d48c62c23c4132045d0b13c9eb0fae36860098de631945a5d66665b
PDF
Publication page8ba0e0504a043270942c39083da6f14b36fcb08f2fbd925fa6a7392b488175af
Manifest094cf68155585c5f55a76063bff68966da019f91056a13e7eb51d2a3a37746b2

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
SignatureOroh6M1m/cavt/Yhkm6CEzEFEsDyndKXjcQnS6h1rRWuPBhOheuOyOnMFciYro+vNVuKMrk3rX8G3B17ConBAg==
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

2026-09-17T09:40:01.114609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092904
observed 8ba0e0504a043270942c39083da6f14b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:01.096220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092904/manifest.json
observed 094cf68155585c5f55a76063bff68966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:01.077872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092904/publication.md
observed 4296ee422d48c62c23c4132045d0b13c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:01.059920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092904/publication.txt
observed 39642a442e035263135149c572962bd6...
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.