OpenTechnical

OT-2026-000071286

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000071286) never changes.

Identity and time

Publication numberOT-2026-000071286 · never reused
Internal UUID01a0ae91-e0ec-719b-a0d4-3701d4876c8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071286
StatusPUBLIC

Content hashes

Canonical text122050d918889c1c066d2bdd513bc120e650f20e8958dcad358f04c13e67a3ef
Markdown2edc4b96e9f4414692d0bcc3a82e037603d467070e23af8175f5d4f6f89a7617
PDF
Publication pagef2ea2165f15a013f4825f5e284d1cb0914a8b463a08e77e8336c2acddab3cf16
Manifest0982aa06c6fc573b3a7d2c1b8893319e9fc75c1e1d7a1e4d296d934d08d47555

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
SignaturepkD2JjHb4Km4lqbl4d3BChE/1gQ4zwvIrXMUjyJGn26hsWlZ0zP/iduU4rCQ+gLJqAUpZ3YYTKlMWfeL1g3tDQ==
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

2026-09-17T10:24:50.943074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071286
observed f2ea2165f15a013f4825f5e284d1cb09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.926063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071286/manifest.json
observed 0982aa06c6fc573b3a7d2c1b8893319e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.906761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071286/publication.md
observed 2edc4b96e9f4414692d0bcc3a82e0376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.887619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071286/publication.txt
observed 122050d918889c1c066d2bdd513bc120...
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.