OpenTechnical

OT-2026-000062740

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000062740) never changes.

Identity and time

Publication numberOT-2026-000062740 · never reused
Internal UUID01a0ae8c-6389-74b7-9f26-34478a9628f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062740
StatusPUBLIC

Content hashes

Canonical text0ca604625bf8bf7aaacc932f157a08c072856a866605907717e2371e11cec48a
Markdownce68308f608571371e97fa58d51098ac5634ecdd60354e64a470ab4bd3d417a2
PDF
Publication pagecd0deced2b6b18ae1ed4af2fd99107bc82d5faa8acbf62a3ae96fff3cd85f8ac
Manifeste100152a1a06d585890ccbee26394c7b6f5ee5959f69142da8dd61c6b0dc3876

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
Signaturec9bOWS/tHHaLyEfhQdG7i1D3U3B2mfY3JyOZ3OuJh2XhPX3sXn3tOkVascwlJoB0M9Y2nctShTPPMMrn+KO9Aw==
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

2026-09-17T10:39:19.032335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062740
observed cd0deced2b6b18ae1ed4af2fd99107bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:19.007892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062740/manifest.json
observed e100152a1a06d585890ccbee26394c7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:18.922424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062740/publication.md
observed ce68308f608571371e97fa58d51098ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:18.898924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062740/publication.txt
observed 0ca604625bf8bf7aaacc932f157a08c0...
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.