OpenTechnical

OT-2026-000012052

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, pulsed blow-off 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-2026-000012052) never changes.

Identity and time

Publication numberOT-2026-000012052 · never reused
Internal UUID01a0ae6d-1943-7567-acba-d650059ffb28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012052
StatusPUBLIC

Content hashes

Canonical text9bdff3373eb4c6abada41a6c72e7db6090ba404cd6beb78ae710e441781c7692
Markdown1b61c97a4a6cc3dcddab07a1656815a724c1d24215c14082422d6ea911ff9531
PDF
Publication pagee6134380ab8613b44e87b4e155c7e64309136bf15345d58d3e83ea18d68621d2
Manifest874adbf5d118da4613429588c3bb046248d4206bf3936d0cf04f80b195a4bb91

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
SignaturekSRcNGxg69CHQ3QUTo9pO/B14PoU57iKIoh6uSHJROMUWdiYv4Xx+pSUJ+KSLMOv7VWd1DK5QANChfBLMYFDDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:55.869616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012052
observed e6134380ab8613b44e87b4e155c7e643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:55.846429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012052/manifest.json
observed 874adbf5d118da4613429588c3bb0462...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:55.825967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012052/publication.md
observed 1b61c97a4a6cc3dcddab07a1656815a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:55.805812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012052/publication.txt
observed 9bdff3373eb4c6abada41a6c72e7db60...
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.