OpenTechnical

OT-2026-000074610

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000074610) never changes.

Identity and time

Publication numberOT-2026-000074610 · never reused
Internal UUID01a0ae93-ac2a-76c9-93ba-cbbbed111158 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074610
StatusPUBLIC

Content hashes

Canonical text0c98a72f321693bc98f1d73740a894b2edc86e6b03efc252ee99d3e09d34a5cb
Markdown0ee9ac8faaa2939955ba1aacd1d07c9fe0c224f570b08e1796a1e9735ec58bf5
PDF
Publication page710cf03fc9fc2e7132a8273896e909c375d0cb49e24bbeeabd54e5a71dc23db2
Manifest7fa4f7403678b285fb14282de777e4de2631d0308198f4abdfa8c2ecf29303ae

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
SignatureGtMTRkOgibxzUmC8Jho9pmHfU9uoXkRZmS2DTYgH0FWJqAfH8EglOcp2/APvwVy2NXrcspcTnDODqoeRNOfOCQ==
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

2026-09-17T10:18:04.961481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074610
observed 710cf03fc9fc2e7132a8273896e909c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:04.943415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074610/manifest.json
observed 7fa4f7403678b285fb14282de777e4de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:04.550404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074610/publication.md
observed 0ee9ac8faaa2939955ba1aacd1d07c9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:04.531841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074610/publication.txt
observed 0c98a72f321693bc98f1d73740a894b2...
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.