OpenTechnical

OT-2026-000047901

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047901) never changes.

Identity and time

Publication numberOT-2026-000047901 · never reused
Internal UUID01a0ae7f-c421-7daa-9a32-087121c8eca1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047901
StatusPUBLIC

Content hashes

Canonical textb003a1feb72271dab8ceddd9f27ac8e20ee280191892c7ae1263e7dad95821f5
Markdown5e243d7635934e4f639c29eea39e8d7ea1026c11b54bce0b11cf7232d1dfd997
PDF
Publication pagebe3a4b001b99d80c493dfa492e5fdabbfc89812f5441db17cbb4739ba7a3fb51
Manifest341827b9d89c30a190a3f0d221ced86a7ccd4d9cc6a0124fac6b830c270b03d6

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
SignatureJcuFrnoXhxrUXf3aLo5lg58iDNHEhP71pUwZ1VSoK88yTW6ty7GcS3t1YExlrm9TrWhKAzeYy4rDhBMQ6iujCw==
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

2026-09-17T11:05:50.517710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047901
observed be3a4b001b99d80c493dfa492e5fdabb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:50.499426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047901/manifest.json
observed 341827b9d89c30a190a3f0d221ced86a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:50.481253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047901/publication.md
observed 5e243d7635934e4f639c29eea39e8d7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:50.463051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047901/publication.txt
observed b003a1feb72271dab8ceddd9f27ac8e2...
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.