OpenTechnical

OT-2026-000039540

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three 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-2026-000039540) never changes.

Identity and time

Publication numberOT-2026-000039540 · never reused
Internal UUID01a0ae78-d8d3-79a0-a49d-1714ff00d50f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039540
StatusPUBLIC

Content hashes

Canonical textd97762c095ca24abee538b6e61cdc56e3505d08fea9e9565b4482b0e0045303a
Markdowneaecabf0c81e4ab7412c402d9b3130780896cb9a90ed8391a1605a2a92aea38f
PDF
Publication page4ec4f97bf321ad267ba6bf83379b87faedae46f19d3be6d2400d8184e18b2003
Manifestc5680ae29a6c6b90ac018071badd97ceddec5e0094b273c6c51550748d5101d3

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
Signature1S4V7+ZW6xjc+v79W1YqM7HMzYe5qx1yO2VXupRWhY3RI56vP8QphUiadaYxr4qD1837aV4nDqGd39OEqebXAA==
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

2026-09-17T11:19:41.304578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039540
observed 4ec4f97bf321ad267ba6bf83379b87fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:41.285524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039540/manifest.json
observed c5680ae29a6c6b90ac018071badd97ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:41.267397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039540/publication.md
observed eaecabf0c81e4ab7412c402d9b313078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:41.249351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039540/publication.txt
observed d97762c095ca24abee538b6e61cdc56e...
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.