OpenTechnical

OT-2026-000040647

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line 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-2026-000040647) never changes.

Identity and time

Publication numberOT-2026-000040647 · never reused
Internal UUID01a0ae79-6d0e-7a2d-b2fe-1f2227afddcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040647
StatusPUBLIC

Content hashes

Canonical text7178e3465bba9c06eb788ae19401ad7e9921e0b85279abb527acec78e3462721
Markdowna6e1e1da3510f47e0d1cf39d0547d489923a55823233ef10be3bbf79a63992d8
PDF
Publication page6a3c930e0022a863f7fc57f9eccda383dcae0875c7adc593bd274ef7f77e5755
Manifestb2c1d3a45d7916c4b956db43be1f98a1f5f3b276b4a68470ba2d601fd84d47e2

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
Signaturegri0oguaC/wS1Fd9jsh75OP3kigZN5UuxRlMgfTpTR7ZjpLm4qEuawvfH/q+Jk5OJEPFvqTPGLYdbOOv1f+lBQ==
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

2026-09-17T11:17:49.989328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040647
observed 6a3c930e0022a863f7fc57f9eccda383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:49.969818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040647/manifest.json
observed b2c1d3a45d7916c4b956db43be1f98a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:49.952807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040647/publication.md
observed a6e1e1da3510f47e0d1cf39d0547d489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:49.934952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040647/publication.txt
observed 7178e3465bba9c06eb788ae19401ad7e...
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.