OpenTechnical

OT-2026-000020511

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pulsed blow-off before 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-2026-000020511) never changes.

Identity and time

Publication numberOT-2026-000020511 · never reused
Internal UUID01a0ae6f-437c-7321-aeba-783764157116 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020511
StatusPUBLIC

Content hashes

Canonical textaa18d2b43c09386cfe48f16745c0a8114c3e8fd5be33303a7f1d1b87666fc79c
Markdowne5058460e8962b9abcaef411b013f87899fd6924bd015c385660ceb0a2305c10
PDF
Publication pageaa598623b83fb0420a9a13cf57df790b86e898a1fb4e5f8a039dba3f9ac4c2d9
Manifest07f0f8212679ec21000bc7a2eb78d2f384610021b432a2a0644c6c3f4d34cfb9

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
Signaturef+QNBd4OFAYJbgOx/W2PdnYub2EocE/ugcksURAQ0fqIzlyWRb9BpBXs5MnIRtg9CD/dZVxqXCsFNDkx1hnbAg==
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

2026-09-17T12:00:28.605999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020511
observed aa598623b83fb0420a9a13cf57df790b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:28.586562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020511/manifest.json
observed 07f0f8212679ec21000bc7a2eb78d2f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:28.565175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020511/publication.md
observed e5058460e8962b9abcaef411b013f878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:28.543613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020511/publication.txt
observed aa18d2b43c09386cfe48f16745c0a811...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:31.635897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020511
observed aa598623b83fb0420a9a13cf57df790b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:31.619535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020511/manifest.json
observed 07f0f8212679ec21000bc7a2eb78d2f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:31.600291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020511/publication.md
observed e5058460e8962b9abcaef411b013f878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:31.582071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020511/publication.txt
observed aa18d2b43c09386cfe48f16745c0a811...
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.