OpenTechnical

OT-2026-000035488

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000035488) never changes.

Identity and time

Publication numberOT-2026-000035488 · never reused
Internal UUID01a0ae76-b4c4-708c-89bd-a919f08be2bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035488
StatusPUBLIC

Content hashes

Canonical text821052852fe6ed9d89b0c8b1110747a4049efc4ccacb64bd605d243a00400216
Markdown37b6b6ba6b910e9825607a37a6e3fc2e3d7be2d899e194d3542da02e61f4a8e5
PDF
Publication pagea90d5aa9f7b3862b4601a84b3b8d20c8b1243056008577111c19cbd4d5da98e2
Manifesta07a7b58d9ac3cc5c969611bd74c4407ba5da4e7385620ff28a14cfb95268730

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
Signaturef1u5eEY5ub/O5JwlFyWcM/AEsr/GefL1vTkZLfgY4359/uAtUnhl8yrpH6WygMXPeWH9gqZNo1KdNJfX35J4Bg==
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

2026-09-17T11:26:54.130607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035488
observed a90d5aa9f7b3862b4601a84b3b8d20c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:54.112573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035488/manifest.json
observed a07a7b58d9ac3cc5c969611bd74c4407...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:54.094131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035488/publication.md
observed 37b6b6ba6b910e9825607a37a6e3fc2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:54.075353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035488/publication.txt
observed 821052852fe6ed9d89b0c8b1110747a4...
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.