OpenTechnical

OT-2026-000067261

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000067261) never changes.

Identity and time

Publication numberOT-2026-000067261 · never reused
Internal UUID01a0ae8f-6bd6-70fb-b703-8fbfbb01b6b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067261
StatusPUBLIC

Content hashes

Canonical text2dbed2eeff5e1a0b858488c7b1e0fb5b071cb8c45e4c731afd87b9e3d3deb06a
Markdown93b2599a4cd8f19bd3082a8069b5f34b84044e3cef54b9bb7f4767d5bdaec0e8
PDF
Publication page37de480c53b135c04da4b84d33f90ad0539ab1969fdf481b7f2bfcecdea07fa3
Manifeste7ea21ff8ae4a444eccbd0cfb11e59026015399138a28a5aebe938847251d8f4

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
Signaturepspo3s9uuunfmS5oexCs8SvK/lLfz+/iFrhqQ/9aigpeZTBNqGj08JMP6acv6VumBbMAc3pKL7aQVnEq/a5eDg==
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

2026-09-17T10:30:56.409978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067261
observed 37de480c53b135c04da4b84d33f90ad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:56.392797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067261/manifest.json
observed e7ea21ff8ae4a444eccbd0cfb11e5902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:56.376353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067261/publication.md
observed 93b2599a4cd8f19bd3082a8069b5f34b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:56.359337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067261/publication.txt
observed 2dbed2eeff5e1a0b858488c7b1e0fb5b...
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.