OpenTechnical

OT-2026-000028792

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000028792) never changes.

Identity and time

Publication numberOT-2026-000028792 · never reused
Internal UUID01a0ae73-2252-7821-a32a-a7cce0bc29c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:36.158293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028792
StatusPUBLIC

Content hashes

Canonical text86ba3a6f7f0751e014cbe2a3d8aeaf8a97e11604f143fbfe19b9981c818501a0
Markdowna2aaba43ee71d3697a992d6ac467723cee1f07929baf62b8c842593089618bb6
PDF
Publication page596ef03bf3f0a8a68a0a1e59e0a000fd29df710ad0df3de9aa5db516bf36a8d1
Manifest825a54cea538e5f8eee9c2416080c8f38ff90302243b0c6d15b286218707d923

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
SignatureU1/23NJI6hy/oBHvCcqgVqkIwxMrfBChW1G+/Bj77anL6jmNdB66I2C/hf26zzlFDpxOzoV7Dc6FZcuI+NJTCg==
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

2026-09-17T11:40:02.783697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028792
observed 596ef03bf3f0a8a68a0a1e59e0a000fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:02.764478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028792/manifest.json
observed 825a54cea538e5f8eee9c2416080c8f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:02.744759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028792/publication.md
observed a2aaba43ee71d3697a992d6ac467723c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:02.718101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028792/publication.txt
observed 86ba3a6f7f0751e014cbe2a3d8aeaf8a...
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.