OpenTechnical

OT-2026-000067849

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000067849) never changes.

Identity and time

Publication numberOT-2026-000067849 · never reused
Internal UUID01a0ae8f-c4fb-7f40-8148-15d3f8db7a9b · 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-2026-000067849
StatusPUBLIC

Content hashes

Canonical text2172e1fcdeeb80fa71392f45dfdbb65fd7503503837db860ffe4233d9d7ea43f
Markdowndc973416e31bb0c0ef466c7409cd3aa7c21d23327e0e09806314f875a63e7aa7
PDF
Publication page163ad694a4b241139b0eb9c57913cb51a8bb141cebab744ec8a28d1908dbe4f6
Manifest5ff447df95bbd40063b1df9b23c29d9b3f89572bb67e86fae9fde93e67681cb6

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
Signature3DAHdOtkRf2wkUMN/smLpkHfA1Xms//MW2L+g4gY3RawOe5oYz6WPX62sM2ZCSlpRXr+00n4G6VfUtwIMbCRCg==
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

2026-09-17T10:30:06.552845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067849
observed 163ad694a4b241139b0eb9c57913cb51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.523433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067849/manifest.json
observed 5ff447df95bbd40063b1df9b23c29d9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.480726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067849/publication.md
observed dc973416e31bb0c0ef466c7409cd3aa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.454390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067849/publication.txt
observed 2172e1fcdeeb80fa71392f45dfdbb65f...
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.