OpenTechnical

OT-2026-000061929

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000061929) never changes.

Identity and time

Publication numberOT-2026-000061929 · never reused
Internal UUID01a0ae8b-b8ad-7dad-843c-00526f7e5a96 · 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-2026-000061929
StatusPUBLIC

Content hashes

Canonical textdf1542d03ea7892590c5c48a96475929b58f0006578cf11b1dc91194bb852827
Markdown3c795faed3b74af8e519bf2d2639388cb56b1c6b161c6922a75d9c3efa7d8fc4
PDF
Publication page7c36cc539a18f18bb91cee6dfc50a6eef26eb8d73ac3265d8db23db61d7e6127
Manifest995692942f7251c64c99561b21c7e13c095cce86db618e9f8357397ee386e20b

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
Signaturep1dpL8amI+daP/JfXiQU3/unYaXlvG/SMC+K/9qxPmNbqm+YnT9HHzzljf7hR1xcc0CC6CWTGy8xE/CdSmPXCA==
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

2026-09-17T10:40:49.052215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061929
observed 7c36cc539a18f18bb91cee6dfc50a6ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:49.030668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061929/manifest.json
observed 995692942f7251c64c99561b21c7e13c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:49.006139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061929/publication.md
observed 3c795faed3b74af8e519bf2d2639388c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:48.983869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061929/publication.txt
observed df1542d03ea7892590c5c48a96475929...
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.