OpenTechnical

OT-2026-000073032

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000073032) never changes.

Identity and time

Publication numberOT-2026-000073032 · never reused
Internal UUID01a0ae92-c816-7c84-bc47-6c5b4e07287d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073032
StatusPUBLIC

Content hashes

Canonical textea7b1eb0940bef65eb4c99194f76972c1b10266ccdf269826edc5500105f80e9
Markdown42f21cb436894cad088e93b7686beaf80048e1491e470db13064f819c5d90597
PDF
Publication pageb6a53a19de93716880c7b31285506cb56c082f8688c66d3a11a84349c476e432
Manifestfa7465675266e91c0ddfb2a67e9faf60b79134b84a011ad05a6a72cc377a8d55

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
SignatureBgogGAYEGkrIePrYiUe3m94kyQC87/+O6xWS2yaJ4Hmf3kcfEccZbJWNfjAj2GhFlA/9En21pnT6DXZ/EJL+BQ==
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

2026-09-17T10:21:58.382862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073032
observed b6a53a19de93716880c7b31285506cb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.365026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073032/manifest.json
observed fa7465675266e91c0ddfb2a67e9faf60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.347930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073032/publication.md
observed 42f21cb436894cad088e93b7686beaf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.329345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073032/publication.txt
observed ea7b1eb0940bef65eb4c99194f76972c...
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.