OpenTechnical

OT-2026-000031374

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, pulsed 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-2026-000031374) never changes.

Identity and time

Publication numberOT-2026-000031374 · never reused
Internal UUID01a0ae74-87ad-7a80-b6aa-3ba78a017cc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031374
StatusPUBLIC

Content hashes

Canonical text97964002705f20c5a86316549968f127f3cfa5674e4cedb4650e5b8951c40750
Markdown976c15bd38f08b776a22bd849de7c29a23eba75e8f8dfb5d0bebec5d579671d4
PDF
Publication page9a4bacd2ae87e10d8da30d08be7f80d3fcae9423cba7a48e059a73dec51a5dba
Manifestaaa2d93cd604f111b8a2e501052492c7594335f00a9f98ad3ecbb45b20428bb9

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
SignaturePCYl443qdhKy41RvmQbKv/te3JogZMq7sZWiyHifUjOn8DgMgBLJzAoRXNSV30LOQpaGkGrRiOd9TSPwqiA/CA==
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

2026-09-17T11:36:04.767267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031374
observed 9a4bacd2ae87e10d8da30d08be7f80d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.750423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031374/manifest.json
observed aaa2d93cd604f111b8a2e501052492c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.734334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031374/publication.md
observed 976c15bd38f08b776a22bd849de7c29a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.716854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031374/publication.txt
observed 97964002705f20c5a86316549968f127...
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.