OpenTechnical

OT-2026-000065143

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000065143) never changes.

Identity and time

Publication numberOT-2026-000065143 · never reused
Internal UUID01a0ae8e-1df9-733c-b45e-f3239af2022c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065143
StatusPUBLIC

Content hashes

Canonical text55cf067fddf7589e90b67783bd078823570af65de80ff8dbe710bde060597c89
Markdownbe6011a2066b78eed7e5cf25fd13ff1789322765044ef348bae0d36d5eb3d2a7
PDF
Publication pagef67821db45f0e0a3a70ee7006930d65e064d8fc30575846fb42f7a8e0a4f30a2
Manifest499f9e4f8e3e40fb95eeac57c3c1c5a89b8731f833c96ae4ba9f2f2bc9e5c9bc

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
Signature0sty5RSW27FcbCaQLPAApD4UMcU0Uqlst7tncb3zkhckWzxP5uyPXJDRdFFv40l6H3TS/1VY2DXZBa9ygC6YDg==
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

2026-09-17T10:34:58.663118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065143
observed f67821db45f0e0a3a70ee7006930d65e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:58.647315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065143/manifest.json
observed 499f9e4f8e3e40fb95eeac57c3c1c5a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:58.629006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065143/publication.md
observed be6011a2066b78eed7e5cf25fd13ff17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:58.609916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065143/publication.txt
observed 55cf067fddf7589e90b67783bd078823...
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.