OpenTechnical

OT-2026-000047090

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000047090) never changes.

Identity and time

Publication numberOT-2026-000047090 · never reused
Internal UUID01a0ae7e-d0f8-73e0-a2c3-d800b7762851 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047090
StatusPUBLIC

Content hashes

Canonical texte02c0ffc937aaefec1831cac7c41dfb4832f0d7d99f74843c04f00dd6415dc33
Markdownac7f60fbd3c8971985a4dd706f54c051b0b53941c9e326657b0658e97c3a6ac4
PDF
Publication page7315bb58fbeb3cd4b4ef42ac6ce0413d263a9ed34a2b636e663f160223525afa
Manifestf1f7ffe40691d0f7e2c81926cff1ae735f09ae4249478d0ab50b7fec2c57c572

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
SignatureKGKHvt0yOMtlKucWwhg+Tic/VPr/PIN0AwIcRfB4k1U3oX2F2Qc4Uxmn95laDtFsnHyM4UQdacImHWHdxahZDg==
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

2026-09-17T11:10:24.433042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047090
observed 7315bb58fbeb3cd4b4ef42ac6ce0413d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:24.410114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047090/manifest.json
observed f1f7ffe40691d0f7e2c81926cff1ae73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:24.388520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047090/publication.md
observed ac7f60fbd3c8971985a4dd706f54c051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:24.368646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047090/publication.txt
observed e02c0ffc937aaefec1831cac7c41dfb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:52.597480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047090
observed 7315bb58fbeb3cd4b4ef42ac6ce0413d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:52.578426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047090/manifest.json
observed f1f7ffe40691d0f7e2c81926cff1ae73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:52.558139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047090/publication.md
observed ac7f60fbd3c8971985a4dd706f54c051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:52.539865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047090/publication.txt
observed e02c0ffc937aaefec1831cac7c41dfb4...
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.