OpenTechnical

OT-2026-000067856

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000067856) never changes.

Identity and time

Publication numberOT-2026-000067856 · never reused
Internal UUID01a0ae8f-c4fb-7a1c-96da-9f558fd8ef75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067856
StatusPUBLIC

Content hashes

Canonical textc52147467699b11fbbefede9b90ff09f30770d1d08ef7805d2e877b75729e560
Markdown4c253d51a8132f65892d8b3880c89c9d999049135ae8a1d9e9647c05f8f6fbfd
PDF
Publication pagee4b80b735847604a65768bd2a95723f0b0e4a1be71bf38517825fe0027a2e10e
Manifest6981e5150afb9895b8c0f3015acb3ea13b41aefefc02fec53511a1ad532ed539

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
Signaturedt/OuwoVDcbXf50XCbcDOmWEK2BZi1cPO6fqddRQtpcbu2RyMKGmNwUPlfwMojYfbwDA4qfrFkOx564wZ4dZBw==
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

2026-09-17T10:30:13.881335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067856
observed e4b80b735847604a65768bd2a95723f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:13.862557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067856/manifest.json
observed 6981e5150afb9895b8c0f3015acb3ea1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:13.837801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067856/publication.md
observed 4c253d51a8132f65892d8b3880c89c9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:13.816053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067856/publication.txt
observed c52147467699b11fbbefede9b90ff09f...
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.