OpenTechnical

OT-2026-000033623

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000033623) never changes.

Identity and time

Publication numberOT-2026-000033623 · never reused
Internal UUID01a0ae75-a38f-7e82-bcc0-4d1a551c2d81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033623
StatusPUBLIC

Content hashes

Canonical textd80b0a8662ecb11378685783999ad5cc3e3fdb013e48146b21ef0efb71d54cd3
Markdownc72330ab69c3c8f44bca11414e18b71de02d9b39ddb3be2d66d53ee290cc1591
PDF
Publication page87849d45ede0dc030d5a59222b87a054aafe87f5db19f2b1f9e3d3201e2edffe
Manifest42f031b704460a20d23af398ea64561f26e45a49092fbcabe47d53ea93d7a158

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
SignatureR3W/KZepzThyB7Lt+3KezeCy1CK9N8MghsdNO7oeemDHvX/tmsCXaqjuC9Zc6U3jvweE7EwWkKoxajQ+ch5oCQ==
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

2026-09-17T11:31:36.042154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033623
observed 87849d45ede0dc030d5a59222b87a054...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:36.021077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033623/manifest.json
observed 42f031b704460a20d23af398ea64561f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:36.002532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033623/publication.md
observed c72330ab69c3c8f44bca11414e18b71d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:35.984908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033623/publication.txt
observed d80b0a8662ecb11378685783999ad5cc...
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.