OpenTechnical

OT-2026-000023153

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000023153) never changes.

Identity and time

Publication numberOT-2026-000023153 · never reused
Internal UUID01a0ae70-7267-7c58-8c3f-ee81d918689b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023153
StatusPUBLIC

Content hashes

Canonical text38cb5f58bd2272323e85538c800443bdd49d91b14f1c405e40394d05d3023237
Markdownc0ca0c36923d39433776a6a6016f407e413ee217bc859e17e671da8c806982c6
PDF
Publication page9520619560ca35d4e6a97f0297d7baca4368f56cb537e7e47bf4a8ea3b4b1d97
Manifest95f9809e07329b98af17e9a3fdfad5dd9ef72b9c989289d2f90d137fbba74853

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
SignatureV0k+kJlYQnPo2eP8ZtDnmpjV+UoEkQOjBOaJtKZ1SgwiWB5HCtLjynllyiH0LFKkfCHoSTICbGptNj3EU2m0Bg==
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

2026-09-17T11:51:05.440999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023153
observed 9520619560ca35d4e6a97f0297d7baca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:05.424404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023153/manifest.json
observed 95f9809e07329b98af17e9a3fdfad5dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:05.407578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023153/publication.md
observed c0ca0c36923d39433776a6a6016f407e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:05.392353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023153/publication.txt
observed 38cb5f58bd2272323e85538c800443bd...
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.