OpenTechnical

OT-2026-000054237

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000054237) never changes.

Identity and time

Publication numberOT-2026-000054237 · never reused
Internal UUID01a0ae85-b3a9-73a0-81c8-e3db8378c922 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054237
StatusPUBLIC

Content hashes

Canonical textf0a6d192e84128e93b64aaf86069bbee4783c645a101df985d7a036d7ec85f7b
Markdown779bc59464580b3a65e6ea7f2dc7f26fd0c9f5de6d2922770bedae7dd7fad2d1
PDF
Publication pagea78025ec34a3447b2bae9b69ea85437fee311ebd35001d93c32574a603310989
Manifestc497db53caccfda97358a4d48e3290c632c2884af5da6fa451a170bbf6cd359b

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
SignatureJG4qoMDpOCmGUL8bb03i1sA3F1+V+bY3HP0api0/658XiDhwig+pd6TFSMLGY/97z7nd6hJIojiC/0DrhzFcBA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:43.249593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054237
observed a78025ec34a3447b2bae9b69ea85437f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:43.229611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054237/manifest.json
observed c497db53caccfda97358a4d48e3290c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:43.210376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054237/publication.md
observed 779bc59464580b3a65e6ea7f2dc7f26f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:43.192307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054237/publication.txt
observed f0a6d192e84128e93b64aaf86069bbee...
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.