OpenTechnical

OT-2026-000007195

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, three outlet manifold, plant vacuum fed, plastic cups

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-2026-000007195) never changes.

Identity and time

Publication numberOT-2026-000007195 · never reused
Internal UUID01a0a976-1e68-7c8f-a7f6-db06ce6bbffe · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:04:45.675450Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007195
StatusPUBLIC

Content hashes

Canonical text79b9c28d92e799875005f04621ebfb19a25298080eda1decd401b25d3333f6be
Markdowna3737a11d5d9dc572368a28e66ba0a97e9ba3d587272ea3a9b719b5950b0fd7c
PDF
Publication page6dc001e32d087fb62f829c41157fb2585d856aba6fed6a375851df7db2be3c5e
Manifest1df8981acb759f5098b694ec0ecc92d7996aa121c08fbebc43e7fd7d3c4b807f

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
Signaturer1hnZd+RFTgD/dvvbqHsiNkVkKijUsQVE7JmvRjTnH4cTlgSV2CFeKUrds+yAuBXMVmXL75yCkFyuxaffjNMBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:17.156047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007195
observed 6dc001e32d087fb62f829c41157fb258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:17.144130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007195/manifest.json
observed 1df8981acb759f5098b694ec0ecc92d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:17.131275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007195/publication.md
observed a3737a11d5d9dc572368a28e66ba0a97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:16.995882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007195/publication.txt
observed 79b9c28d92e799875005f04621ebfb19...
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.