OpenTechnical

OT-2026-000029242

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum 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-2026-000029242) never changes.

Identity and time

Publication numberOT-2026-000029242 · never reused
Internal UUID01a0ae73-2aa1-755d-9fc4-658172f23d72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029242
StatusPUBLIC

Content hashes

Canonical text1ccdc6ef6874e5492648484d13646518163a59ba05361f6dc1e5a4af60b13b99
Markdowna53d681cd6758dee65d3cda88509614a782e4e22d4326ed487a6f77769d4d8b4
PDF
Publication pagedb380a1c48eb7768f3865ca7f5fcf27e734616e1f730121230332c635968728f
Manifest8651d307249202fbd712bdb5636bdb8de41543903186e425ed733d9338fbe468

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
SignaturehywwhbhSFOXAeex0cwsvRyBhQqi6WSSXgUvld2d2nOJ3WU8nj69HZncJE0jho6d817A5BTEHCXsjjYx6mVlOBA==
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

2026-09-17T11:39:52.081316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029242
observed db380a1c48eb7768f3865ca7f5fcf27e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:52.064162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029242/manifest.json
observed 8651d307249202fbd712bdb5636bdb8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:52.047576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029242/publication.md
observed a53d681cd6758dee65d3cda88509614a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:52.031759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029242/publication.txt
observed 1ccdc6ef6874e5492648484d13646518...
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.