OpenTechnical

OT-2026-000060447

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single 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-2026-000060447) never changes.

Identity and time

Publication numberOT-2026-000060447 · never reused
Internal UUID01a0ae8a-b7cb-7bc3-95e6-70fc4774df47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060447
StatusPUBLIC

Content hashes

Canonical text4f7df067c21fdf3279fba23ef5c7a3edcd1314e819b791954e31607bac196866
Markdownbf959b532b110bd3ac697dedea9ff2a92a962b7abaf0694ef5c6c41614179812
PDF
Publication page1dbdcb4ad8982da024f4452917f16053aeb7c4fae68efc4aac3bc78714028285
Manifest1493b5e7c5862e8c64c3848bdbc2fb29bfd8b2cf70e32d6f554ced164351683d

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
Signature+OOfNBeHnmE4JMNNFdPnkoEq2MYq6UoQaKhe78vncL28YRgoGVa+VamyOuUa1l+E7NicxmlNV6w1xagXPCnGDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:55.750825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060447
observed 1dbdcb4ad8982da024f4452917f16053...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:55.731826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060447/manifest.json
observed 1493b5e7c5862e8c64c3848bdbc2fb29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:55.712599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060447/publication.md
observed bf959b532b110bd3ac697dedea9ff2a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:55.692808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060447/publication.txt
observed 4f7df067c21fdf3279fba23ef5c7a3ed...
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.