OpenTechnical

OT-2026-000058432

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000058432) never changes.

Identity and time

Publication numberOT-2026-000058432 · never reused
Internal UUID01a0ae88-f39a-70cb-a63f-6a7c803345c1 · 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-2026-000058432
StatusPUBLIC

Content hashes

Canonical text8f2ef5093bfb2d3e744cd1ac43059150a71d769128b2228d5ef4581ef99c9fb6
Markdown9d48daac96b9162d540f2b2ba02dcc0d86d5609ed7e990cea3bba1570de93396
PDF
Publication pagededf7f7ed4416ab93e1bc251b6dc226259b05ef7662c199514739589f510a753
Manifest2946acc4d48fe0a02811014820fbe6ed40e0893567f7e85106cc6539e1b7177a

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
SignatureOmFdW5yDCxbMcx2ZV3TgiYvx04z7rRNjRMWWvn/LQ3VKmQJiOrBxrdnSW/IHpsODAkiM9phnMse1wuZer97CDA==
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

2026-09-17T10:46:52.283006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058432
observed dedf7f7ed4416ab93e1bc251b6dc2262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:52.265408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058432/manifest.json
observed 2946acc4d48fe0a02811014820fbe6ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:52.247066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058432/publication.md
observed 9d48daac96b9162d540f2b2ba02dcc0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:52.229487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058432/publication.txt
observed 8f2ef5093bfb2d3e744cd1ac43059150...
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.