OpenTechnical

OT-2026-000058152

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, sustained blow-off after set-down

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-2026-000058152) never changes.

Identity and time

Publication numberOT-2026-000058152 · never reused
Internal UUID01a0ae88-6edb-76ee-8551-95675b2a8d9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058152
StatusPUBLIC

Content hashes

Canonical textf29a2266fc19cc4fbd2c1a835183b3d66b454dc5615032eb29df837c0a495b51
Markdownc16e9cca7a0f54040173332423d87228313c0ba8968221b2b8437e9f4332105e
PDF
Publication pagec2db54435bff31844a8a38ef65882d02eeaeec15bef25a750127a9ee15f46c71
Manifest07623f0c8445cf95131c5df6a45af364b7fef0f8fb807b8e01e6682eedbafec8

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
SignaturexAua7ru2MDtoBEsvxunrqI9sfqH8NMf01OZ92zN5s6rZvIub9h/eYswZRRL8w99TqRYmiIdaQ9ayMi5ytFx+Bg==
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...

Independent retrieval

2026-09-17T10:47:50.624801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058152
observed c2db54435bff31844a8a38ef65882d02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:50.606446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058152/manifest.json
observed 07623f0c8445cf95131c5df6a45af364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:50.586972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058152/publication.md
observed c16e9cca7a0f54040173332423d87228...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:50.567980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058152/publication.txt
observed f29a2266fc19cc4fbd2c1a835183b3d6...
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.