OpenTechnical

OT-2026-000080798

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold 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-2026-000080798) never changes.

Identity and time

Publication numberOT-2026-000080798 · never reused
Internal UUID01a0ae96-b974-7d5d-a36f-42623141bf8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080798
StatusPUBLIC

Content hashes

Canonical textede669ff6d0e8d84ddd1f42043a808f345b78f550e9166e071f5a27743bd756f
Markdownd19e8c95a308dead3e8a05841c25bc04960c4d66f10593d754592bfe15c1671b
PDF
Publication pagef843d2c0a6867b31ae7838591db1a974d740e0c9eb29376ec034677dd75c4636
Manifest70b0a2dd9f29d9da7ed5b5cc1ab77b85b2d87d234af4b6cb0ad690ad9a36eae7

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
Signature/4afgo14068uez/H9gJDFdPG6gASi9EgA6DKwgFN0+UbCz1oqdNx3LN7CmTKswGmyJEszWjzosD10R2PIJk7AQ==
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

2026-09-17T10:01:58.511931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080798
observed f843d2c0a6867b31ae7838591db1a974...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:58.493233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080798/manifest.json
observed 70b0a2dd9f29d9da7ed5b5cc1ab77b85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:58.472467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080798/publication.md
observed d19e8c95a308dead3e8a05841c25bc04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:58.453449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080798/publication.txt
observed ede669ff6d0e8d84ddd1f42043a808f3...
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.