OpenTechnical

OT-2026-000014897

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000014897) never changes.

Identity and time

Publication numberOT-2026-000014897 · never reused
Internal UUID01a0ae6d-d095-7d5e-b9c1-c641251c299e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014897
StatusPUBLIC

Content hashes

Canonical text659742d0784a60f5d600cab6dd4df27db071cd76a3e1ae7f223134259b4971df
Markdown9d861739b9d38888f9722047aea6f0fa684a221ec58013964135e127e9aad4d6
PDF
Publication page40a5eef2dc7b7af9d01e6bf9127bdd1d941f7901c6687673e2ef28658bae1a93
Manifestcc855dafdc8d1117a65c58175654330b5af4dd15245c7987429b2ec422366001

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
SignatureluabPaiWDyluoSrkgy25QyNr3VSpUwyk/PXBj20QfQeS0A4AV60wW9t6vh8QvZv2naKxx4NlC31W8G2Vx9/iBQ==
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

2026-09-17T12:06:49.663180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014897
observed 40a5eef2dc7b7af9d01e6bf9127bdd1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:49.645037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014897/manifest.json
observed cc855dafdc8d1117a65c58175654330b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:49.625897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014897/publication.md
observed 9d861739b9d38888f9722047aea6f0fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:49.608185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014897/publication.txt
observed 659742d0784a60f5d600cab6dd4df27d...
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.