OpenTechnical

OT-2026-000047512

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000047512) never changes.

Identity and time

Publication numberOT-2026-000047512 · never reused
Internal UUID01a0ae7f-3e59-7e90-90a1-018479977733 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047512
StatusPUBLIC

Content hashes

Canonical textdcc6c9432806983a6f042706ab7e8f87c6ecda4f3aa796e5478122f377779d0e
Markdownc9486b1e14cbef3dc3ed8679a1f1654f3534f60312a07ca316f471ddcc26581e
PDF
Publication pagedb469a904ec4f8829f91afd0ef49d852b3bf1affea795d889a3ad597f5a30607
Manifestb18a1c3e7ec97fd4b79138194e5c822582d30b8e3c1a801c421a7bb43f4641f5

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
Signaturey/e6uxXgxTQ5a31wqzC80Dt7h5GlRIs8qVE5KTLCVvFuY7JvFT/JtKBps3ZvtgBMY/XewygpdJcC82qqzBcYBg==
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

2026-09-17T11:06:33.725176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047512
observed db469a904ec4f8829f91afd0ef49d852...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:33.706445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047512/manifest.json
observed b18a1c3e7ec97fd4b79138194e5c8225...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:33.689435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047512/publication.md
observed c9486b1e14cbef3dc3ed8679a1f1654f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:33.671968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047512/publication.txt
observed dcc6c9432806983a6f042706ab7e8f87...
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.