OpenTechnical

OT-2026-000026918

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000026918) never changes.

Identity and time

Publication numberOT-2026-000026918 · never reused
Internal UUID01a0ae72-3452-7b0e-883e-ed1d1ffac427 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026918
StatusPUBLIC

Content hashes

Canonical textcb8a513a8ec91ac127730200c7109c783e0c9cac10eb900f6a863026ce4789d0
Markdown02ab9b07d79078e2ee967abda209668b68828fd4cc42d7a40e934984b883441e
PDF
Publication page0e1f764a1dd9a3b5b9c35cabfc62e7e3b778403ffc9744ec4c588e0e07ff13ab
Manifestaf3229a6b1c19ffd53711be530869c9bf8a211dd5e7c73aac644d97c42081214

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
SignatureJpjn8DQ53MXc2jQQ/4jrhK69Pd6StAopa5ngINoB01ltxmDsn8arsYmBHitaxrEDiXJMUvX8X5MlgPy1a1NBDw==
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

2026-09-17T11:43:31.929691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026918
observed 0e1f764a1dd9a3b5b9c35cabfc62e7e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:31.912062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026918/manifest.json
observed af3229a6b1c19ffd53711be530869c9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:31.893461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026918/publication.md
observed 02ab9b07d79078e2ee967abda209668b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:31.876051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026918/publication.txt
observed cb8a513a8ec91ac127730200c7109c78...
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.