OpenTechnical

OT-2026-000047312

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000047312) never changes.

Identity and time

Publication numberOT-2026-000047312 · never reused
Internal UUID01a0ae7f-3e56-72cc-b2e0-ef78087bcfa0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047312
StatusPUBLIC

Content hashes

Canonical textd7490dee91d24502ac59771d60f6af217e6189546cc792b59f6057ac37a4f93b
Markdowneadbe5d90eb9c6a2e089b14a9d08487f8d883ad4de105afd84358bbc42927882
PDF
Publication pageef65381b6800533f21e5d0a1d4240ce670470bea7064d6592ea52893ef65bf29
Manifest12aeeb85cdfbceec3d3e8e53bc48fd6601c322e3e0113af5dd1582e94574d501

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
SignatureZH3AffwyDJayN4gk3t7cuZHJnCCPexjokm0eOE1tUb1NYQwZJTSlKusa+zvYg+Aa27M2/xpSz3GgamuKKWL2Aw==
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

2026-09-17T11:06:17.687092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047312
observed ef65381b6800533f21e5d0a1d4240ce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:17.671235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047312/manifest.json
observed 12aeeb85cdfbceec3d3e8e53bc48fd66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:17.654598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047312/publication.md
observed eadbe5d90eb9c6a2e089b14a9d08487f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:17.636905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047312/publication.txt
observed d7490dee91d24502ac59771d60f6af21...
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.