OpenTechnical

OT-2026-000041233

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, sustained blow-off after set-down

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-2026-000041233) never changes.

Identity and time

Publication numberOT-2026-000041233 · never reused
Internal UUID01a0ae79-b143-7cb5-a7b1-8df53a85547d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041233
StatusPUBLIC

Content hashes

Canonical text02e227497186f6927370b2b15d7e754893efa5bddce7b16605962f7db0856c53
Markdown194426ff4cf297eec90a1ad156ca562a6f1ee846ac339c09c68442c7931b3cce
PDF
Publication page5d0c291eb65a33954e66e12b37618ebe63052f2f93eae34677d54d6a315c21f6
Manifestfd0d2f668c18b4d7ab138606ef4e2611487bb273da8e2b4582459154e449af60

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
SignatureQhxJxk4GrBLO2eGWVRNsNetSAKGgeAQutAxJ0+VU7HxxYYUk4TGEdgHvkLIYLIgv48Rc4NDbziwmFt6pSTtPBw==
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

2026-09-17T11:17:11.899552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041233
observed 5d0c291eb65a33954e66e12b37618ebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:11.882682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041233/manifest.json
observed fd0d2f668c18b4d7ab138606ef4e2611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:11.864808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041233/publication.md
observed 194426ff4cf297eec90a1ad156ca562a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:11.848774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041233/publication.txt
observed 02e227497186f6927370b2b15d7e7548...
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.