OpenTechnical

OT-2026-000058508

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, sustained blow-off 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-2026-000058508) never changes.

Identity and time

Publication numberOT-2026-000058508 · never reused
Internal UUID01a0ae88-f39b-763e-a941-ab9425c23c12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058508
StatusPUBLIC

Content hashes

Canonical texte7912f115f54c2926fe49fa59d3bc751ec3e4ab91624292cb95ad3404aa8289f
Markdowna7a3ab32db884f265f00ccb44ad21fcffbd3009032836d001c35c2b7bd49dd15
PDF
Publication page672ba02df68b600e92ad888cbb7c992ea794c169694d1727054b772265c1f215
Manifestf8608efe95cca8a426d8f49ee4919d477aed282e9f5b3b76867c22c03e2f6f16

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
Signature7CUI02ZfV/+eObI3eB5l2PV+dsQXd8rpHB+UGpi3lTsGh2Qnu7vJrl8LKD+cdPes36tsT+AQJfAfznmNGLx1BQ==
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

2026-09-17T10:46:52.735677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058508
observed 672ba02df68b600e92ad888cbb7c992e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:52.717263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058508/manifest.json
observed f8608efe95cca8a426d8f49ee4919d47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:52.685448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058508/publication.md
observed a7a3ab32db884f265f00ccb44ad21fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:52.647086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058508/publication.txt
observed e7912f115f54c2926fe49fa59d3bc751...
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.