OpenTechnical

OT-2026-000072084

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented before 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-2026-000072084) never changes.

Identity and time

Publication numberOT-2026-000072084 · never reused
Internal UUID01a0ae92-47c1-76a9-b484-e9f4734a995a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072084
StatusPUBLIC

Content hashes

Canonical textf212aeac2d68514d487f8e777c96c702ada8059246ef8c836686bc10474cd50d
Markdowna33568ef4ace7b2a85dc93196031b03a492d585aec741a969f2dca5043c4aa8a
PDF
Publication page2bd205e657b08a7b0b396f6eade4c7923cc9a1809a98ae43ef36c08060cf3578
Manifest115a0c754069d2d3ccfc3a860111554e64dfef0e910a4e2f38e1475416df87a2

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
SignatureATFG05jDfmIpGdCZXOOEvVwQPSNWmEETagH63eb2Jv3bKSCPNZzxtZlGgx8eJI5+CU9Hhyz+ZAipBZN4iyxVCA==
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

2026-09-17T10:23:09.748146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072084
observed 2bd205e657b08a7b0b396f6eade4c792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:09.731302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072084/manifest.json
observed 115a0c754069d2d3ccfc3a860111554e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:09.715184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072084/publication.md
observed a33568ef4ace7b2a85dc93196031b03a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:09.696869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072084/publication.txt
observed f212aeac2d68514d487f8e777c96c702...
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.