OpenTechnical

OT-2026-000045478

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000045478) never changes.

Identity and time

Publication numberOT-2026-000045478 · never reused
Internal UUID01a0ae7c-f76d-7848-9a54-1cc54455839f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045478
StatusPUBLIC

Content hashes

Canonical text8e8fc2ab34d1db4a2264d453a334e9fc8b7fa57d237ae12f1e8a6fde4325caa8
Markdown3730e0ed500dd50eff0079c0783e7e431a87bb5e84bc6cf1784a34e6dda47253
PDF
Publication page789b396a17e113a0c571bb24bfac03952de3de3bf199d94a6dc3bac579eb50e3
Manifest4559f2bc4938dd0e139906001d30b93edb2d5314399e3ac00346b19847bd4660

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
SignatureWlXFX+AU8iUXrwzTemJ/f9M1fVe+uSH6K6USVw9UG87wwkVGKJwPTrqL9qGRUnWi6o4VWX6pISbKIkaaI1uiBw==
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

2026-09-17T11:11:17.414085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045478
observed 789b396a17e113a0c571bb24bfac0395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:17.395802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045478/manifest.json
observed 4559f2bc4938dd0e139906001d30b93e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:17.378878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045478/publication.md
observed 3730e0ed500dd50eff0079c0783e7e43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:17.360054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045478/publication.txt
observed 8e8fc2ab34d1db4a2264d453a334e9fc...
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.