OpenTechnical

OT-2026-000039012

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000039012) never changes.

Identity and time

Publication numberOT-2026-000039012 · never reused
Internal UUID01a0ae78-9672-77ef-b964-bdbfd4384a6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039012
StatusPUBLIC

Content hashes

Canonical text8ede560b35ae76d342f7b0e029df78d2a81ae71853641c1742f4c802be79f7a4
Markdown974fa7b12cf5c5f3688bb67dbad010f1ac348315285a22677b59769c6742141e
PDF
Publication page3e4b74e074b0152303710e4d4d979837b3768cb650937229c48de65db24aa750
Manifestbf6c49459f4882933b8972a5178d66512087247117d2611b7fa07252e37c7980

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
Signature6egt/LblL/y+jUYit3PKPZFrVghGj0Z/Fko2vv2k28Ymu1Ky0z3X3UW6WFODKjLvgLtabH5kj5oNu9CMdafpAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:21.287555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039012
observed 3e4b74e074b0152303710e4d4d979837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:21.268927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039012/manifest.json
observed bf6c49459f4882933b8972a5178d6651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:21.252665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039012/publication.md
observed 974fa7b12cf5c5f3688bb67dbad010f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:21.235489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039012/publication.txt
observed 8ede560b35ae76d342f7b0e029df78d2...
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.