OpenTechnical

OT-2026-000067047

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000067047) never changes.

Identity and time

Publication numberOT-2026-000067047 · never reused
Internal UUID01a0ae8f-14fe-7135-9268-0fdb3d2cd8e7 · 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-2026-000067047
StatusPUBLIC

Content hashes

Canonical textdd6be038529e86847e4c2ff7fccdcfd41aee21a5fe62f8c39d11819c770b36f5
Markdownb2a01039d0275b00072ef6c20416ead5435c93e1ce2380f5c2798a049bffcf85
PDF
Publication pagec4611188813b088f0e25ec826e4eef7b5b7a97b39f4ae5a6ac202e366f3f3df3
Manifest702751b5e95abebdacda0cca557af216101c13f3c1aa4d848bfacbc2424178a8

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
SignatureHJh3BvNtWaD5RuJLZxfV9qTgj5TjGka4nKtADjvZKmIlB0jLCWsJQXP1ITqRGwkoJxWIprR5UPUb0J7M7nMaCA==
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

2026-09-17T10:32:18.090837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067047
observed c4611188813b088f0e25ec826e4eef7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:18.070164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067047/manifest.json
observed 702751b5e95abebdacda0cca557af216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:18.051018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067047/publication.md
observed b2a01039d0275b00072ef6c20416ead5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:18.032406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067047/publication.txt
observed dd6be038529e86847e4c2ff7fccdcfd4...
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.