OpenTechnical

OT-2026-000025546

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000025546) never changes.

Identity and time

Publication numberOT-2026-000025546 · never reused
Internal UUID01a0ae71-5fa8-77a8-a72a-dfb61eebd8f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025546
StatusPUBLIC

Content hashes

Canonical text796f3237ad3d4950f4fc1cbb7ea479bcaa93f73051a9dfe97065c7a4c6731b6c
Markdownfdf5b6611128a324acaf21d60cfe9f7f284be695c4e5bd2af5487b3beda688e0
PDF
Publication page456c3cc279d073707de36624ed2011c7bfc34561758d901fe946582897d78bb8
Manifest173dcd96f437277fbda6be660e10a782a508236b1d2d183c305d5707cf986dae

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
SignaturebCNVb9TEo0NWa407ag+ldlvtAooYTy9ruPj+9VxTNBiGyDdMTIm7szXK286cda5CkaMQJjpkdLXa2fxJYxdXDg==
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

2026-09-17T11:47:41.751577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025546
observed 456c3cc279d073707de36624ed2011c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:41.730886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025546/manifest.json
observed 173dcd96f437277fbda6be660e10a782...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:41.713044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025546/publication.md
observed fdf5b6611128a324acaf21d60cfe9f7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:41.694678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025546/publication.txt
observed 796f3237ad3d4950f4fc1cbb7ea479bc...
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.