OpenTechnical

OT-2026-000067949

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000067949) never changes.

Identity and time

Publication numberOT-2026-000067949 · never reused
Internal UUID01a0ae8f-c4fd-7185-ad0a-33aeb1c992a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067949
StatusPUBLIC

Content hashes

Canonical text92147e518bc1f224ffb0087c973a354e5327409399964a80e94b73d7e51d5e97
Markdown7c13c07555a08b91b37eb4fbbfffdd2b07d9ee11c8441b82cf69c43b6e9bb761
PDF
Publication page3b567910bca3083cac992f5b983aa118279a3c0f0fbf7422c9980d5a5ca50aef
Manifest8370a67f64a9907d743d8808cbb342ec4d87d68ce24cc6bbd2ed834170572b78

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
Signature3a61vVyv9rtLJHdikm4bhfDgDYRet/X+tzk9c6DF0ucfFyQpAGiY4AFAWubnV+Wxe1cSJvpa+zEVGwzAkf9YBg==
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

2026-09-17T10:30:22.157199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067949
observed 3b567910bca3083cac992f5b983aa118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:22.140663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067949/manifest.json
observed 8370a67f64a9907d743d8808cbb342ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:22.113644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067949/publication.md
observed 7c13c07555a08b91b37eb4fbbfffdd2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:22.087826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067949/publication.txt
observed 92147e518bc1f224ffb0087c973a354e...
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.