OpenTechnical

OT-2026-000041741

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000041741) never changes.

Identity and time

Publication numberOT-2026-000041741 · never reused
Internal UUID01a0ae79-e8a1-7cd3-a7d6-6113e4ddd490 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041741
StatusPUBLIC

Content hashes

Canonical text8015d052b013065437838bd9544a7f51f24609fc5e405ed5846255c4a149432c
Markdown0f5d170215425a01b7b8185ba40b554ec338c46226a7a08584f7d81f7753164d
PDF
Publication pagecf43c359822eed7107a8cd58f69e265b758b8d7da490def6f9e283ff78f55d9f
Manifest23a0f654f40ebad1c00fdad60a1af4a83590263c2248c6025d2b414baefc1be4

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/5MbvPbj+xtUBrFNb/xzDNgTa7OPhQRupw+WYzzIRih5/O0M+78AXUlOMJkAQA5zwRUl/5DlT3X2Ii1+ls0SDw==
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

2026-09-17T11:16:35.046224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041741
observed cf43c359822eed7107a8cd58f69e265b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.029493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041741/manifest.json
observed 23a0f654f40ebad1c00fdad60a1af4a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.012385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041741/publication.md
observed 0f5d170215425a01b7b8185ba40b554e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:34.993813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041741/publication.txt
observed 8015d052b013065437838bd9544a7f51...
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.