OpenTechnical

OT-2026-000072006

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000072006) never changes.

Identity and time

Publication numberOT-2026-000072006 · never reused
Internal UUID01a0ae92-47c0-705b-bd57-63827f9e4871 · 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-2026-000072006
StatusPUBLIC

Content hashes

Canonical text39816f899baf619ccae1c21d05d5262ac21f49bf6af9e1fe13b9138e4eee4473
Markdown448c9bb3612a6d42eb3225bd53f5d4f5311f17d77dcf5935dd49379e1948f40a
PDF
Publication page5788c78f9ba0669313f27df55ac8d37a3d3fe38f36c17a99df4fd49787304ab7
Manifest31b38cf8f29320e3cfdbbb6e4565ad5f2b7f41744c52ce943ec29be39100740c

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
Signature4ungU0LhIE/H4bOmRuCH8jBrXGHsCpw5w9PGKQ6KzdOkvPxwO1k0rd2GyuSLXuteIEa+0zJ0aVV6RryB615hCw==
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

2026-09-17T10:23:04.068334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072006
observed 5788c78f9ba0669313f27df55ac8d37a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:04.051187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072006/manifest.json
observed 31b38cf8f29320e3cfdbbb6e4565ad5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:04.034390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072006/publication.md
observed 448c9bb3612a6d42eb3225bd53f5d4f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:04.018971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072006/publication.txt
observed 39816f899baf619ccae1c21d05d5262a...
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.