OpenTechnical

OT-2026-000043133

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000043133) never changes.

Identity and time

Publication numberOT-2026-000043133 · never reused
Internal UUID01a0ae7b-327a-7d4e-9fcf-f7fe9d25cd91 · 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-2026-000043133
StatusPUBLIC

Content hashes

Canonical text9613b0e7b719ca16e4c14a8e272db7c7f3b6984954fcaf215cfca63059f3e053
Markdown0586c182b0c5a8a8ac20bdc97589255a6427b9c8d87c914f37869b8bb4b887f7
PDF
Publication page2358b4c1034f28fedba733d7226da53951b95c21da81a7fce159f4d3f74c7690
Manifest7c44e54fc989c3ad489e3f6fc1924d26e665fbccd80736046ff0416e074ae8f1

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
SignatureK6YOkvoqyvcpubH4/lMahFr2T1Z1m10ujtItNuSIgmGO/3Jq4H+wr8zTNBm5uxyh8TVFsG0BD/h7dBFM/ORUBw==
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

2026-09-17T11:13:34.060855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043133
observed 2358b4c1034f28fedba733d7226da539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:34.040954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043133/manifest.json
observed 7c44e54fc989c3ad489e3f6fc1924d26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:34.021237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043133/publication.md
observed 0586c182b0c5a8a8ac20bdc97589255a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:33.999927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043133/publication.txt
observed 9613b0e7b719ca16e4c14a8e272db7c7...
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.