OpenTechnical

OT-2026-000060937

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented after set-down, on a tool changer

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-2026-000060937) never changes.

Identity and time

Publication numberOT-2026-000060937 · never reused
Internal UUID01a0ae8b-12f3-71a2-b536-7448eaba7f25 · 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-2026-000060937
StatusPUBLIC

Content hashes

Canonical text342a7119c9a246e24b1b1a99669c1000f2c06cd6b78200d1204918d0db2213a4
Markdown714b0fa3c7d962ba4b45ff02ad6eb80f184537e8e84e52e58b579199642c6c21
PDF
Publication page112f3ff1f62a250f3fd5fd7e5cf0e97e22fa78e2be03d75895080ec70dac6c52
Manifestdb40a1ce373781d95a4a20496f969409a37915c0f965de3d3dd157a4f11b6306

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
SignaturejMZ0hkCf2rDVcPu/TM2aCFyk1jJX1cAbiyFndom/e+C4kgeHPTs292qo7iedqS6MvjugfCZdAS0Z5QjWodxzAQ==
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

2026-09-17T10:42:12.578022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060937
observed 112f3ff1f62a250f3fd5fd7e5cf0e97e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:12.558874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060937/manifest.json
observed db40a1ce373781d95a4a20496f969409...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:12.540315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060937/publication.md
observed 714b0fa3c7d962ba4b45ff02ad6eb80f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:12.522491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060937/publication.txt
observed 342a7119c9a246e24b1b1a99669c1000...
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.