OpenTechnical

OT-2026-000067412

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000067412) never changes.

Identity and time

Publication numberOT-2026-000067412 · never reused
Internal UUID01a0ae8f-6bd8-7d1d-9fec-f5d3d3b7a8c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067412
StatusPUBLIC

Content hashes

Canonical text01020a071bb13a9b41252b37fd13b5ab80590b05a2c9646172be8ab1c1eadb73
Markdownf5d37cbd3e9a3abcacb4432584e7d700a221a56f835d8fe0daed727ae876d6f3
PDF
Publication pagef72da5cbc5d9bc97cd95be4ddb305fc9ded272083f3b8d416c59ad98c5163799
Manifest9c4633003b98f52749048f012960363477f815ceb0544d4cb838b8c7abac1e72

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
SignatureUksJpRz+dvn8pfqXD+13vroeix2JrgpxD1gACSlQDKO5j0NnFZ1cLFEeQSJDvhrNWPD+q/hM37UD+erc68SQCA==
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

2026-09-17T10:31:36.517089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067412
observed f72da5cbc5d9bc97cd95be4ddb305fc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:36.498283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067412/manifest.json
observed 9c4633003b98f52749048f0129603634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:36.480690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067412/publication.md
observed f5d37cbd3e9a3abcacb4432584e7d700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:36.462005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067412/publication.txt
observed 01020a071bb13a9b41252b37fd13b5ab...
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.