OpenTechnical

OT-2026-000086393

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000086393) never changes.

Identity and time

Publication numberOT-2026-000086393 · never reused
Internal UUID01a0ae9a-2c96-79bf-8328-5c899fd369c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086393
StatusPUBLIC

Content hashes

Canonical text8db764447d121e56d852dd9d1e172e648675dec222000d4a71d74b118dd48cb6
Markdownd9ab0f08076a1c3227e11951b65ee9ecc66147b8606e1bc95f0739d913002fb2
PDF
Publication pagecf2c7a5638e37fc55cc4d5fadaa355cabc443448702d163093678536f7eb0337
Manifest176e66c3723c1e9c6f518fd2d8f5995e3eb324048ab0a26e692c7e34ef8e2be1

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
SignaturehtoazYfyeP5wW1ys36x9U5idC+cYgUGC4G0WHYjPkI16Y4Ze1xAejNveJCPuvRVpHpXur+uh0QsrN/kX+LL/Dw==
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

2026-09-17T09:52:05.419847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086393
observed cf2c7a5638e37fc55cc4d5fadaa355ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:05.402838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086393/manifest.json
observed 176e66c3723c1e9c6f518fd2d8f5995e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:05.385999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086393/publication.md
observed d9ab0f08076a1c3227e11951b65ee9ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:05.337088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086393/publication.txt
observed 8db764447d121e56d852dd9d1e172e64...
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.