OpenTechnical

OT-2026-000032020

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line 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-2026-000032020) never changes.

Identity and time

Publication numberOT-2026-000032020 · never reused
Internal UUID01a0ae74-bad3-7ce0-8c4a-01fe78118a24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032020
StatusPUBLIC

Content hashes

Canonical text71766050b8d6eeba56c3a18374360d2532534f1fd58ce6c86ae0d58d680295c3
Markdowncea19b833f970318973f8bc8ceb1fc2c27638350470f848aaba48323519d6332
PDF
Publication page124fda33d49691849344397a639a161502928fef2f58e3d0fbcf043532cfe000
Manifesteab50c7567bf477b8c68db8ad0820c7381308fb8dfc2e548b5ef35774dd67a72

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
SignatureNLJl0utWFgSQbz3vKee2gHgLcKCX6ucwe+D+gTBG7sRGwXyFgrvWreASWhq/taTaoUUaVa1loE4UHt6q3Cu9BQ==
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

2026-09-17T11:35:25.623859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032020
observed 124fda33d49691849344397a639a1615...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.605595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032020/manifest.json
observed eab50c7567bf477b8c68db8ad0820c73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.584439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032020/publication.md
observed cea19b833f970318973f8bc8ceb1fc2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.565107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032020/publication.txt
observed 71766050b8d6eeba56c3a18374360d25...
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.