OpenTechnical

OT-2026-000080705

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000080705) never changes.

Identity and time

Publication numberOT-2026-000080705 · never reused
Internal UUID01a0ae96-b973-764f-ac0f-e7978d872726 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080705
StatusPUBLIC

Content hashes

Canonical textd79291df1459bca1774be7a8db3daaa2d086087cc5d31cd42ef03e5b26fa13ef
Markdown04b13c925bd85243890f99fa1c193ea3587637521985a3eba64712fb03420fc6
PDF
Publication page8ea6fb4a71804db7555983d9bfc7f941600f78c40199840375d2a993366f2663
Manifest9d3825607aae007a3f316caf5224d6281b8d79b959a0dd420484690d7a6f1fb6

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
SignatureMS4h9XTbPv/wMDfpiJjUvjZL2yoeQsHclOqNF74VF6DXdpHV6oTF2trbIjmgUxFQkrJZFq3VjD04bwupfZmFCQ==
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

2026-09-17T10:01:41.479726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080705
observed 8ea6fb4a71804db7555983d9bfc7f941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:41.462012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080705/manifest.json
observed 9d3825607aae007a3f316caf5224d628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:41.445537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080705/publication.md
observed 04b13c925bd85243890f99fa1c193ea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:41.429445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080705/publication.txt
observed d79291df1459bca1774be7a8db3daaa2...
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.