OpenTechnical

OT-2026-000011728

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000011728) never changes.

Identity and time

Publication numberOT-2026-000011728 · never reused
Internal UUID01a0ae6d-1940-71dc-8ca7-abeb3a792ac0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011728
StatusPUBLIC

Content hashes

Canonical text3a280139ce43b21b126b3e02ca8bb8b3ae95a4b67465dff0160a103199b36bf3
Markdown37f14f9a483a9fc8ad6f1c9f62ba8a88165d1cdeb61aada912d955436d008f30
PDF
Publication pagea916d855d54906050ad7c2ef6297dccb78280ffef05b49bf27c1c2f114946fdb
Manifesta58ec792cae1a14d5bec18f62b47b0137213364432bc38fd203f58d107e9289e

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
SignatureOfiurRIjzrKDoINY5sUPQRz1IgWmxoF54Ps7XNyCF/882WBo2d/hF10lCMIYHTzyQIzWW0pWrtH/Az5KSPmWDQ==
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

2026-09-17T12:12:20.651437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011728
observed a916d855d54906050ad7c2ef6297dccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:20.632466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011728/manifest.json
observed a58ec792cae1a14d5bec18f62b47b013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:20.614356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011728/publication.md
observed 37f14f9a483a9fc8ad6f1c9f62ba8a88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:20.595571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011728/publication.txt
observed 3a280139ce43b21b126b3e02ca8bb8b3...
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.