OpenTechnical

OT-2026-000019233

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000019233) never changes.

Identity and time

Publication numberOT-2026-000019233 · never reused
Internal UUID01a0ae6e-f391-7142-b250-2398d6dfcc13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019233
StatusPUBLIC

Content hashes

Canonical text4357b10fb8485973c6db4e20df7efd3370a2f7def69961ababaf967f94f26284
Markdownbf03d7e0218e2773d99d4e95f2386014837c50fc6f0b27e4e53d897aaa32b8a0
PDF
Publication page61249421fbf3436a4c38baaa1e42b39af763821662da5d8638c58e3ac1d71f16
Manifestd0f4bf08e7717707931a2775ab9da2b49cb9a0b480d4c00e1aa94eba87eca893

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
SignatureiGnhKkoLSHvD37FbBKyBIKxRE1dOEWu4T+dfKe/yHH6DuE/9GrJlS291QoIsP8l7LcY60Z/osLoufuJ8we/HDQ==
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

2026-09-17T11:58:33.634451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019233
observed 61249421fbf3436a4c38baaa1e42b39a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:33.616871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019233/manifest.json
observed d0f4bf08e7717707931a2775ab9da2b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:33.596307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019233/publication.md
observed bf03d7e0218e2773d99d4e95f2386014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:33.579180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019233/publication.txt
observed 4357b10fb8485973c6db4e20df7efd33...
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.