OpenTechnical

OT-2026-000062033

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000062033) never changes.

Identity and time

Publication numberOT-2026-000062033 · never reused
Internal UUID01a0ae8b-b8af-713c-a379-aa212548f5fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062033
StatusPUBLIC

Content hashes

Canonical text0ee03598afbf9d4eecffdefada9a29b10787d38297aa03e6a34dc2a5e7b2e409
Markdown0044283ca7df9d461a0847eda008853e0feae912445b76df6f16201ec3a704ee
PDF
Publication page627b363c75abcac6df79d8cfbd5ea04bdd38cd32c3a5edb894faf82531e783d6
Manifest938400512a2510b0764cc147e865f79d920df388d5c53848bb4a8025279834ec

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
SignatureCAQ//Z3y4QVs73YPhrtnC8HqQu2jIb4Pri9nC0DZdwLjmg1ZmwlmfVX7v+7gYXZ0cqoobo1nOd49yOXff4K8Dw==
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

2026-09-17T10:41:04.177592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062033
observed 627b363c75abcac6df79d8cfbd5ea04b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:04.159090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062033/manifest.json
observed 938400512a2510b0764cc147e865f79d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:04.136405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062033/publication.md
observed 0044283ca7df9d461a0847eda008853e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:04.115297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062033/publication.txt
observed 0ee03598afbf9d4eecffdefada9a29b1...
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.