OpenTechnical

OT-2026-000058064

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single 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-2026-000058064) never changes.

Identity and time

Publication numberOT-2026-000058064 · never reused
Internal UUID01a0ae88-6eda-7d09-b80f-4202e63660bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058064
StatusPUBLIC

Content hashes

Canonical textbfb4b7852446432c01ea337c9fa43839d5fbeeeca0cec54f70fd06e47a6ff4a7
Markdown233a276dd2dd81b3389d4476acc3007fc647aa649bd09f196174ccb7b52c0e37
PDF
Publication page74a960a3b15a193c5983923051ec4aacf9965b1a0a62d5412b99ed4096018afa
Manifest98e5f1f9e3f24347b0c798a23ee6320c27faa0b2a038b4c9f555fd669f4a6970

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
SignatureVRfWy8oGxwnDXGLnrx4x9n9kzxdCeHAbNYiWgclCZy4uXv79w26lBeCinPW8iXgmLBvO6GCsuF/h+XUZiQoeDg==
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

2026-09-17T10:47:43.125079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058064
observed 74a960a3b15a193c5983923051ec4aac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:43.107302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058064/manifest.json
observed 98e5f1f9e3f24347b0c798a23ee6320c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:43.088749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058064/publication.md
observed 233a276dd2dd81b3389d4476acc3007f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:43.070995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058064/publication.txt
observed bfb4b7852446432c01ea337c9fa43839...
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.