OpenTechnical

OT-2026-000040485

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, sustained blow-off after 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-2026-000040485) never changes.

Identity and time

Publication numberOT-2026-000040485 · never reused
Internal UUID01a0ae79-2702-7a7b-a9a5-c24565375519 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040485
StatusPUBLIC

Content hashes

Canonical text2f019345e148a1037522d49860f8e9cbccfdbacd05e20733fe780780932b52ff
Markdown1bcba3a908b87e153ebfdbddbd8306dc722d9a18a689437558798bfef48d71a5
PDF
Publication pagecc7373f24cfd1f7161c7ac30805f88d0b32d20ec6491aef3151388b13ce73f1d
Manifestf89509972df06b7e1b68736f973622be1bb68e5d8f25f358c9a69b51e9259715

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
SignatureTBUXKaWVuKPtT1OZW7aPu+zaNsQHEqowsp2xLu6UqGguoJTgT6W+fE7PCoWR+dgvnavsVKsIgWL5LBfirRx0BA==
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

2026-09-17T11:19:24.993735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040485
observed cc7373f24cfd1f7161c7ac30805f88d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:24.976083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040485/manifest.json
observed f89509972df06b7e1b68736f973622be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:24.958654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040485/publication.md
observed 1bcba3a908b87e153ebfdbddbd8306dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:24.939936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040485/publication.txt
observed 2f019345e148a1037522d49860f8e9cb...
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.