OpenTechnical

OT-2026-000068427

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line 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-2026-000068427) never changes.

Identity and time

Publication numberOT-2026-000068427 · never reused
Internal UUID01a0ae90-2481-766f-9392-bdbe4fd40fcd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068427
StatusPUBLIC

Content hashes

Canonical textbdf09258ef4b1ed80e26f9575d512d3153b0b0ed2d2a4b3ec9a501ee00f97f99
Markdown1f1d1274795f0108c6f12658d7281b021381b14f9248b4469f4cbdb6816bf424
PDF
Publication page67256073ef05504c6929121aa19910e058a85660b5f0ec21c76737adff720dd1
Manifest7f98090e870a1fbc2a210f897b28c187ec6b02bdc3f1a367449be3de14b8f5c9

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
Signaturengvxfbj9jNv6WDIjupzqx0S34snlsVwJ7/kMDR6brhaV8fXITEiCN0krH91mkJKdz8lEljNLNScg8647tHN8Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:34.104349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068427
observed 67256073ef05504c6929121aa19910e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:34.086056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068427/manifest.json
observed 7f98090e870a1fbc2a210f897b28c187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:34.068677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068427/publication.md
observed 1f1d1274795f0108c6f12658d7281b02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:34.050788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068427/publication.txt
observed bdf09258ef4b1ed80e26f9575d512d31...
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.