OpenTechnical

OT-2026-000071530

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented 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-2026-000071530) never changes.

Identity and time

Publication numberOT-2026-000071530 · never reused
Internal UUID01a0ae91-e0ee-7ec5-abc7-26bdc220e28e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071530
StatusPUBLIC

Content hashes

Canonical text9b487837b0c24916591591cca0e258c276a82be4cf10b4c075639e61be4d91e2
Markdownebeb219a7d71ef966bb5177efc6528485ed11abcf5212e4f5f83d229d639eabd
PDF
Publication page584a8e6c2edfc0277ebc1a5b55c9882b368c418a91d6baa5b60ebb56dfc8d40a
Manifest9ebae93f86c6348ced5ede01b7237a532f90485f46c6b32a46bdf269aacf73f5

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
Signature0sR+F3+wtgoCw3BEJXgXS7QwZon+P1Oe+bY/RTs3oRPR8Vxp/a84P3d/xAsDkWnNMhW7LgZCoYmz2eBDVfTeCw==
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

2026-09-17T10:25:10.891378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071530
observed 584a8e6c2edfc0277ebc1a5b55c9882b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:10.875142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071530/manifest.json
observed 9ebae93f86c6348ced5ede01b7237a53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:10.856559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071530/publication.md
observed ebeb219a7d71ef966bb5177efc652848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:10.835505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071530/publication.txt
observed 9b487837b0c24916591591cca0e258c2...
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.