OpenTechnical

OT-2026-000058316

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000058316) never changes.

Identity and time

Publication numberOT-2026-000058316 · never reused
Internal UUID01a0ae88-f398-78b8-914f-203ecc4d9785 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058316
StatusPUBLIC

Content hashes

Canonical textfc154cb0f1c30e112e2f48fd7ad27b286f6c6f599adf10c17ba7855eb7130695
Markdown452943a63eb039ebc75e57733491fa44695ad589b3dd5799e1f647ce688e7c6d
PDF
Publication page3170c54ef52414304cc5f3ee698254f721262bb623c2bc6e0e59271d3853fcd1
Manifeste2704f2c3bd82e85889a0aeb00bb21c0e15d07794849b85fd204893958533bc8

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
SignaturedXmCSC7Rn784aDSD+INxPptl+wbgmI8dAcq+reS40+uVD7bqWyWsqSQ7+4uVV0UfQ1fquhZijRqtFtWYM9oyBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:43.280896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058316
observed 3170c54ef52414304cc5f3ee698254f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:43.265104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058316/manifest.json
observed e2704f2c3bd82e85889a0aeb00bb21c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:43.248223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058316/publication.md
observed 452943a63eb039ebc75e57733491fa44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:43.232443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058316/publication.txt
observed fc154cb0f1c30e112e2f48fd7ad27b28...
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.