OpenTechnical

OT-2026-000060221

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000060221) never changes.

Identity and time

Publication numberOT-2026-000060221 · never reused
Internal UUID01a0ae8a-5a73-787b-bcc6-e66c68b98527 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060221
StatusPUBLIC

Content hashes

Canonical textf09deed786af056b8b570b3a8eeac4a783ed4a2b15686005bf709c0cc7b847ba
Markdownbacee92e171cd8f21d5616f752c0972462e9a0e28e8b02b0e3aa508afdb66472
PDF
Publication page1e62c075d1fd3d8c16ccef9ac2d8d5c09f30a934d54d0ce400319ed241312fe7
Manifesteee4bb7b2bbda83213370f3e7336a48d843ec558c7b1641a7e71201bba45afd0

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
SignatureKwgbbs6A3f6A1njGKXOR8KytJnnxiV/YgyzeMVPBrbr8TNQS/z8nx+j4u73SooCWzMXFxzoMFoBB5PSixXT0BA==
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

2026-09-17T10:43:53.839806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060221
observed 1e62c075d1fd3d8c16ccef9ac2d8d5c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:53.821729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060221/manifest.json
observed eee4bb7b2bbda83213370f3e7336a48d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:53.804817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060221/publication.md
observed bacee92e171cd8f21d5616f752c09724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:53.785762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060221/publication.txt
observed f09deed786af056b8b570b3a8eeac4a7...
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.