OpenTechnical

OT-2026-000057001

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000057001) never changes.

Identity and time

Publication numberOT-2026-000057001 · never reused
Internal UUID01a0ae87-d5b5-7d32-9223-ecb224063bb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057001
StatusPUBLIC

Content hashes

Canonical texte8d6d02eaaee128c3d52eb5af939c645502361749ba0314c1da11561e3d86df4
Markdowne69d3335fe416cc0621bb836a4f0e518c9ad6988ac84dfd91a4982e3084b6183
PDF
Publication page9b46edf7f45ed6547547982410fce53d0cab40d4e7e918bc55737c80298310af
Manifest7b17f16799d75aae7c67521b15b220ab6b017e32909cb865c4fab80a06dd02c7

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
Signature07vTMpMQnBn9TntzQ9ORnpyy/VbgoDykhinn766Km0IZVgmSNzI+0+eekiiMN6EBa606CEP31GKX8eubEFXzAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:28.467500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057001
observed 9b46edf7f45ed6547547982410fce53d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:28.448762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057001/manifest.json
observed 7b17f16799d75aae7c67521b15b220ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:28.429945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057001/publication.md
observed e69d3335fe416cc0621bb836a4f0e518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:28.412013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057001/publication.txt
observed e8d6d02eaaee128c3d52eb5af939c645...
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.