OpenTechnical

OT-2026-000014219

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed 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-2026-000014219) never changes.

Identity and time

Publication numberOT-2026-000014219 · never reused
Internal UUID01a0ae6d-b279-71b1-a886-1cc09573df9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014219
StatusPUBLIC

Content hashes

Canonical text7afdccaacb9f987baa818ad9a4a7c010e7addb7b0da8ece6ca04d9efcd1a19bf
Markdown66f4f16c1ca707b17179d3465759596a29aae5722f4f1f75da248705ecd615f3
PDF
Publication page86766d1bdbc6ea02ee133da935ef5f5adb290af163cf92db63c2ce4087d97c2b
Manifest962bf44082ba359bed9a0b48ab0bf451b3ac7595fbbf57cbeb95e69ad4f8b4f0

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
SignatureXBMUB4HRdmG5xszwGicLHIVkQlmzl4BHHeQsMNiCmBk8X3B85VH+NS7SF1slfO8Vb8FGbiI8E46BG3zz41wPDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:07:19.680978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014219
observed 86766d1bdbc6ea02ee133da935ef5f5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:19.661744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014219/manifest.json
observed 962bf44082ba359bed9a0b48ab0bf451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:19.640534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014219/publication.md
observed 66f4f16c1ca707b17179d3465759596a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:19.622817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014219/publication.txt
observed 7afdccaacb9f987baa818ad9a4a7c010...
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.