OpenTechnical

OT-2026-000067167

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, pulsed 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-2026-000067167) never changes.

Identity and time

Publication numberOT-2026-000067167 · never reused
Internal UUID01a0ae8f-14ff-7549-9335-a5f2fa6f8585 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067167
StatusPUBLIC

Content hashes

Canonical texte125a760a80aa377e12b1ae0a176822c450c2f4100a5ebd04bab027f7e9abb1f
Markdown8d4a7be1761f831de5117a7cfbd38bdc8744c70235e92e565be8bc293719fe5d
PDF
Publication page18cdc99c6df3a830e2ede559e93b8a0c73d5054b2e71046d263ab89764c4c7cd
Manifest277faecdd51ae1d4b2ad59f6303e9093f017baaa7cc510985e6c5b95449ef3be

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
Signature8YOu6Fz5RJTr6gstVG1MBqxyxF/i0R2jtJwYrcugY8SDH8oEylAybCm2St5bqSyBep4gF76AQ1at5dXalnUICw==
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

2026-09-17T10:32:27.040014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067167
observed 18cdc99c6df3a830e2ede559e93b8a0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:27.021430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067167/manifest.json
observed 277faecdd51ae1d4b2ad59f6303e9093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:27.002963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067167/publication.md
observed 8d4a7be1761f831de5117a7cfbd38bdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:26.986525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067167/publication.txt
observed e125a760a80aa377e12b1ae0a176822c...
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.