OpenTechnical

OT-2026-000040387

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000040387) never changes.

Identity and time

Publication numberOT-2026-000040387 · never reused
Internal UUID01a0ae79-2701-725e-b69f-68c0cd3a6308 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040387
StatusPUBLIC

Content hashes

Canonical text8ee0354dd4fdc25c5bc7bcf74a3e0292e5d9f55e480922105d760970b3a6255c
Markdownee2b91bd7876f4fc7c06bdb0d6aaf80d1280932ede83e9f0f39abc11c638b4c3
PDF
Publication page7925c4f918f2c5655b37dda2e8deab429f68a21acc69a1233946ec9be11ba31d
Manifestc6c88d9ad60f0cea3df50bcc0b90abda3ee170e7ec3ac554ad3905ae19d081b7

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
Signature8lAw+VnK+ENO+miwtQjzotvSiMfzktc2dXQai0xWleN5UFjbVW0Z6Uv26FwFkxj9QIAZlOYWj7fsmIMf/H+FCQ==
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

2026-09-17T11:19:24.763243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040387
observed 7925c4f918f2c5655b37dda2e8deab42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:24.745745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040387/manifest.json
observed c6c88d9ad60f0cea3df50bcc0b90abda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:24.726536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040387/publication.md
observed ee2b91bd7876f4fc7c06bdb0d6aaf80d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:24.708359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040387/publication.txt
observed 8ee0354dd4fdc25c5bc7bcf74a3e0292...
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.