OpenTechnical

OT-2026-000071388

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented 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-2026-000071388) never changes.

Identity and time

Publication numberOT-2026-000071388 · never reused
Internal UUID01a0ae91-e0ed-7b3c-b0a5-41ce26e5e6a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071388
StatusPUBLIC

Content hashes

Canonical text338a8bcfcd20c89466e4a1e8464534e648fe62065947dadbf91b48e2af86cd34
Markdown234d5d77f33ff9724f9fcdb576c354d18716248fd59abed51025abfc594d6bf1
PDF
Publication pageacaf7ba890e0fe576443d51d617f4e477188810c3b4ba75a8cc449ec033f6e37
Manifest14fe51b66de005e1a6081fe06d612d9eec55c1e4924fdb5472db9925e17a9101

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
SignatureOxSs2XgG87G631K+30bfK9L3LkzTDFdTj20Cs6MhzppbJ77DoHQ6XzZCzN3EppVHwRiBR/MmMBo0nnmWpJsIAg==
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

2026-09-17T10:25:00.704377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071388
observed acaf7ba890e0fe576443d51d617f4e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:00.686667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071388/manifest.json
observed 14fe51b66de005e1a6081fe06d612d9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:00.669288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071388/publication.md
observed 234d5d77f33ff9724f9fcdb576c354d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:00.652680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071388/publication.txt
observed 338a8bcfcd20c89466e4a1e8464534e6...
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.