OpenTechnical

OT-2026-000082947

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single 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-2026-000082947) never changes.

Identity and time

Publication numberOT-2026-000082947 · never reused
Internal UUID01a0ae97-8cca-7b7a-9906-80880a674857 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082947
StatusPUBLIC

Content hashes

Canonical text7aefe89257cc442cf88eeddfef24e2a8a1e5a35c0316bcef8b8b828aea512c2f
Markdown19ccf3a31a3c75b5b2a6bdc3639dd2e37cf313ca06fa85913fce4a80693339a4
PDF
Publication page30f5a4e232d2185f53c1b5b3d1ad25ed96be013ac8099f5c06dcfcf800f95e19
Manifeste1d5581eff243632c95a9cc712272e61eac8f449995a199dae5861aec4a1fba3

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
SignatureLTXFi6N+VaimnrPNKDpe9Uf1VLev+rpjNVi9/73U9C5X8U1Z9ZJIhEClFmUSNj5WfJuR4Hmi66w66tqKl/n4Bw==
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

2026-09-17T09:58:38.621615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082947
observed 30f5a4e232d2185f53c1b5b3d1ad25ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:38.604073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082947/manifest.json
observed e1d5581eff243632c95a9cc712272e61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:38.586706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082947/publication.md
observed 19ccf3a31a3c75b5b2a6bdc3639dd2e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:38.568253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082947/publication.txt
observed 7aefe89257cc442cf88eeddfef24e2a8...
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.