OpenTechnical

OT-2026-000007839

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, vented after set-down

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-2026-000007839) never changes.

Identity and time

Publication numberOT-2026-000007839 · never reused
Internal UUID01a0ae6a-908a-7abd-a0ee-553b25a908c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007839
StatusPUBLIC

Content hashes

Canonical text7b9cabc3881b8a010a80bb937cfb0047ae4b0659eca6465047193d82df462638
Markdownf31bf9ef2fd1b7cbefcca2950a8467be4a6be52293b85c3d65ec1e5fd5b68889
PDF
Publication pageeccf12a3abbbf3ce9af6f7fe4a69713885065107d4db8c35fb0ce2a7eba46c55
Manifestde7f81daf9929a1001239fd905aa35a5b5e8c13dbfd57f5485465bb37d81fa08

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
SignatureWxbv8sAX2aOkv7d8B9iYCdrun6xHuQMhn4XbSYfNqw7kR9puTw+Af3YaJ6VwHqQ8veCgSVe6LEOAAw01a8gKCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:17.525301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007839
observed eccf12a3abbbf3ce9af6f7fe4a697138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.505051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007839/manifest.json
observed de7f81daf9929a1001239fd905aa35a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.480712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007839/publication.md
observed f31bf9ef2fd1b7cbefcca2950a8467be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.458256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007839/publication.txt
observed 7b9cabc3881b8a010a80bb937cfb0047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:50.585478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007839
observed eccf12a3abbbf3ce9af6f7fe4a697138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:50.568345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007839/manifest.json
observed de7f81daf9929a1001239fd905aa35a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:50.549599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007839/publication.md
observed f31bf9ef2fd1b7cbefcca2950a8467be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:50.531464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007839/publication.txt
observed 7b9cabc3881b8a010a80bb937cfb0047...
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.