OpenTechnical

OT-2026-000039807

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line 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-2026-000039807) never changes.

Identity and time

Publication numberOT-2026-000039807 · never reused
Internal UUID01a0ae78-d8d5-7a49-a96d-5a1c1e6d0b7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039807
StatusPUBLIC

Content hashes

Canonical text85dd2fe5e9bb8d449dbd72ad860b4593cfd5fa46acc0d578629112144cbe6409
Markdownd5b60318c8630e0ddc7eab799d9809620732eff712a20b5fcb658f9855a27369
PDF
Publication pagef22804780eff5c657f6aa99eccecb9ffbbc992b865262dac1e3ab8fda98a65ed
Manifestfcf29f51db04cc782e8cbf3b4898177465eee0d8ae48ca96a1825f51ca634a58

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
SignatureZbPbPpngyupJITOkMK5VSMS+tWrzqglbGW8Llw/v48h/OR3XgV/WLvRDtSq4OUYnLmdLtHg3XzKCLo8CydiFCg==
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

2026-09-17T11:20:02.585574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039807
observed f22804780eff5c657f6aa99eccecb9ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:02.567507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039807/manifest.json
observed fcf29f51db04cc782e8cbf3b48981774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:02.549806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039807/publication.md
observed d5b60318c8630e0ddc7eab799d980962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:02.531020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039807/publication.txt
observed 85dd2fe5e9bb8d449dbd72ad860b4593...
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.