OpenTechnical

OT-2026-000013840

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, pulsed blow-off before 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-2026-000013840) never changes.

Identity and time

Publication numberOT-2026-000013840 · never reused
Internal UUID01a0ae6d-8de9-70df-bde4-cd7da4038af4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013840
StatusPUBLIC

Content hashes

Canonical textd2162f0452797be0c926f91a7d116253e061e03bc32111770fb509e9943b4a9c
Markdown5dfdda6ba0e7f5395d2b6239e03005fa60e56e2feb3d2182a3977093e0ed0e95
PDF
Publication page13ca84ff9a264e4f5eda637874ad0bb19c91e700e5d5dfb298507813fe32439c
Manifest894324accf65e375ce960320da6bf9a856f91f500a2f573274cc2cced0ae1345

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
SignatureiOZJadmxNISen2fWzi6XCBswu50/iJo4HC++tkH3JB2ccGanNgKWVw60n3wVc+KbVBRcLyw9bB2XhA+T7ttUAA==
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

2026-09-17T12:08:56.698262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013840
observed 13ca84ff9a264e4f5eda637874ad0bb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:56.681692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013840/manifest.json
observed 894324accf65e375ce960320da6bf9a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:56.663395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013840/publication.md
observed 5dfdda6ba0e7f5395d2b6239e03005fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:56.644132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013840/publication.txt
observed d2162f0452797be0c926f91a7d116253...
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.