OpenTechnical

OT-2026-000083266

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, vented after 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-2026-000083266) never changes.

Identity and time

Publication numberOT-2026-000083266 · never reused
Internal UUID01a0ae97-c963-76e6-bcfd-5da50f3707f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083266
StatusPUBLIC

Content hashes

Canonical textc90f8ff727d16e2b8bd9dbe217a51d25e26275d354fe9337e4e15e0f40bd7c43
Markdown9a6248c6c79d287f022418bf4beae95aa3b541eb3a445822c6bdfcb94cc7f07b
PDF
Publication paged639b52cfc273383af0d22e0a5786464a4a38506a36abea3aef94d1d28e32ddc
Manifesta405232860e807450d8245b85d2199f4937ebf10b43ca42a85a5753f0d059879

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
Signaturep7jLsqz8hAFoyNNs2j6wRy75o8QkPo+MqdlG9IkFm9M55sDc7V7vo7YiFYoM6souvnxqA+DQ+JEOHkdDfrecDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:01:21.109875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083266
observed d639b52cfc273383af0d22e0a5786464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:21.079318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083266/manifest.json
observed a405232860e807450d8245b85d2199f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:20.931462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083266/publication.md
observed 9a6248c6c79d287f022418bf4beae95a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:20.874675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083266/publication.txt
observed c90f8ff727d16e2b8bd9dbe217a51d25...
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.