OpenTechnical

OT-2026-000079932

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented after set-down

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-2026-000079932) never changes.

Identity and time

Publication numberOT-2026-000079932 · never reused
Internal UUID01a0ae96-4377-7dba-878c-14c303ac25ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079932
StatusPUBLIC

Content hashes

Canonical textf9ad760b6f2df1366a3b9bf07c83af9bb29fc2e01fc508e610d9cca621327376
Markdownb7c6ec4fd60df96f8aee826c26564572a940503900b9b231a45b8d14e986857d
PDF
Publication pagedfa94b2be982d567b19a3d6732127d61e5cfa7780e25b64f13482e1fd3928beb
Manifest84bf786fccbc091161f63ad02e12c067bbef826a37d4228f62e7bba22c1c650a

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
Signatureh9HcCZ3ulx2WP/GGoNDZgmi9k2csg5nJd/GWJDvKW6hCxHGYq2zrJl2OGH5MZHhcpbGUViluUpNZ5jwECVPHDA==
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

2026-09-17T10:03:50.121053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079932
observed dfa94b2be982d567b19a3d6732127d61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:50.103326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079932/manifest.json
observed 84bf786fccbc091161f63ad02e12c067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:50.085321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079932/publication.md
observed b7c6ec4fd60df96f8aee826c26564572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:50.066977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079932/publication.txt
observed f9ad760b6f2df1366a3b9bf07c83af9b...
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.