OpenTechnical

OT-2026-000043239

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000043239) never changes.

Identity and time

Publication numberOT-2026-000043239 · never reused
Internal UUID01a0ae7b-327c-7dfd-bfe2-9321b72dd2a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043239
StatusPUBLIC

Content hashes

Canonical text955c65581649977462fd7f6d27546cab940ece0b54e4d931b22b494fe9e84990
Markdown04b47a3ddcda4a3fdc2d239038dc092ba43d97da00f0687f821cb4aa7d18880d
PDF
Publication page53426175a6f3bc7935cc80423df981ce986d919730cb2dee8d07eb5d0a111636
Manifest6547fc8953715000f4f314e314066a70a39dc9ae91810c227df32648ada507cc

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
SignaturejbTk9zdVIarb9eHIk0UEhGS3Lf2SQ7IIAlnnLOCYL3eCRQjzGf5YmgxuXs3VP8kdNOZ1VK/EcLezF/8H9f8kDg==
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

2026-09-17T11:13:42.806159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043239
observed 53426175a6f3bc7935cc80423df981ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:42.786945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043239/manifest.json
observed 6547fc8953715000f4f314e314066a70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:42.766674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043239/publication.md
observed 04b47a3ddcda4a3fdc2d239038dc092b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:42.746630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043239/publication.txt
observed 955c65581649977462fd7f6d27546cab...
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.