OpenTechnical

OT-2026-000061225

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000061225) never changes.

Identity and time

Publication numberOT-2026-000061225 · never reused
Internal UUID01a0ae8b-1381-7d42-99ac-e0434394379c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061225
StatusPUBLIC

Content hashes

Canonical textd42bd74135062797cb8c90717c10ac53cd17cb4d3b20f8c24ad51a58455f214a
Markdown74102353191717624628807bc8afd4c94412170f73583012750f08722980bfce
PDF
Publication page091a7107b8d8197839d4009ba86eb229cc10e40396487177354feb69c7d8fbfa
Manifest3f68d016098446caeeeb20021e2801eb8c8357029e9b4b640d569f739f613a78

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
SignaturePHFtMWCqRiDU825W1GMTVJv4b9jaL8YLC0EuPg8nyhW8aElGFFh0DJN3dtVAF4cqj+T+dzpAmDveAPKNbvVjCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:37.946675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061225
observed 091a7107b8d8197839d4009ba86eb229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:37.917438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061225/manifest.json
observed 3f68d016098446caeeeb20021e2801eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:37.885815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061225/publication.md
observed 74102353191717624628807bc8afd4c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:37.864090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061225/publication.txt
observed d42bd74135062797cb8c90717c10ac53...
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.