OpenTechnical

OT-2026-000088950

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000088950) never changes.

Identity and time

Publication numberOT-2026-000088950 · never reused
Internal UUID01a0ae9b-8f11-70b3-b5a1-35784865f159 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088950
StatusPUBLIC

Content hashes

Canonical textc679d22676b5869b2f2f3633cefb8866fe76cd96cae30a74740bb5e839aa08d4
Markdowna1f9bf102d2a1b0e804bbe57dd4be2903514c66fe8df9b015e884d3229cfa999
PDF
Publication page51a41197fc2b1be903bce3dc61963e81259044a5613f8d475b40d0d6341895c1
Manifest1d7f24405258bf6fca9a86b658b03eb68bb78f64fd30552e25a68dcb6157464f

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
Signature1R8Dm2F7bwfYjUF6b7Fbk3VvbLd4AdNCbmY9RrdgW1byq/o9XlF17mFHKURZYGyp2w2C1Kd6g8PQuX75EKaTDQ==
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

2026-09-17T09:48:21.737465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088950
observed 51a41197fc2b1be903bce3dc61963e81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.718039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088950/manifest.json
observed 1d7f24405258bf6fca9a86b658b03eb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.698261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088950/publication.md
observed a1f9bf102d2a1b0e804bbe57dd4be290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.680533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088950/publication.txt
observed c679d22676b5869b2f2f3633cefb8866...
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.