OpenTechnical

OT-2026-000068013

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000068013) never changes.

Identity and time

Publication numberOT-2026-000068013 · never reused
Internal UUID01a0ae8f-c4fe-71d2-9381-90334025f381 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068013
StatusPUBLIC

Content hashes

Canonical text311e0f4be467f62d02807875bad92337ac9880589bfe26a244718e580bccac09
Markdownbe66fa081490f163f9456c3d5bdd7f049e547c7ddd91b65c3e4e26800758875b
PDF
Publication page1b741a6dfb648860d4da5f05f556d70bf34d1e40ac25a413d673c435c7c66eac
Manifestb5bb7489971ed4cafa52d83e99189884526b2ccb5a4c8c2433dac5eb8921873f

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
SignaturespiEjKYjLU1wWhB8gFum740161tjIBS0/AG2kaO6ADj9seQ4JfDFW0U0mwz1ux2er56cRgvbwj4fK9F3zn+TCQ==
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

2026-09-17T10:30:34.219035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068013
observed 1b741a6dfb648860d4da5f05f556d70b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.199029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068013/manifest.json
observed b5bb7489971ed4cafa52d83e99189884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.179164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068013/publication.md
observed be66fa081490f163f9456c3d5bdd7f04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.161416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068013/publication.txt
observed 311e0f4be467f62d02807875bad92337...
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.