OpenTechnical

OT-2026-000089811

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000089811) never changes.

Identity and time

Publication numberOT-2026-000089811 · never reused
Internal UUID01a0ae9c-1a23-7beb-81ea-a83f7d3e30b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089811
StatusPUBLIC

Content hashes

Canonical text734ff75926e717a94ba9d639adce6450ab14bd74d2e4624a002b48d9758f7232
Markdown535d305dd3aa3fb6ab20a5e4a7e48eb40464fe3372384efa8365d30fafdb807f
PDF
Publication page89c0ef90f43099711ef8fbc65887f3533f2dc6a7fa8efbc4ae37e523f1895d69
Manifest30afba0ab74a52044ba03a0d406864d48266b2cd1de4dd23beb1f4b6c58ab8e5

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
SignaturehFhTsuvWl+IFTNy60QA4C3rk4vqSMbzfaQG/XaztCZsofJuI2vygCHpQ2VbzDZ5CuyBjH1VjvWuvt/zHAlwXAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:54.226780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089811
observed 89c0ef90f43099711ef8fbc65887f353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:54.208602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089811/manifest.json
observed 30afba0ab74a52044ba03a0d406864d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:54.191567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089811/publication.md
observed 535d305dd3aa3fb6ab20a5e4a7e48eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:54.173695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089811/publication.txt
observed 734ff75926e717a94ba9d639adce6450...
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.