OpenTechnical

OT-2026-000057042

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented before 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-2026-000057042) never changes.

Identity and time

Publication numberOT-2026-000057042 · never reused
Internal UUID01a0ae87-d5b6-78ee-85bc-733fc538bf0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057042
StatusPUBLIC

Content hashes

Canonical text6c18256cc7aad1b8e9f70f192e16ac42316aa83f73dd541a13c87d5cf165864c
Markdown1d61174678f9cdcb80c9f5f896cb38cd856764852c32cefb63a7391ae78ea9c3
PDF
Publication page95508af6a38a59ec4e2ba85ed7247f74a409ed8532c2180e42678bfaee354539
Manifestd27184e0954a401a89d7483e0887796fbe65b41c2dfc84b7a30c5fa70eac1e50

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
Signature1NLs7+df0XPPmiSxd9tW13Ve4el8LenzQqxv2xxe7WQ2ptUpiLWbPZXvsjxWLumJ2Ics28uNTno/R37cWpRbCw==
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

2026-09-17T10:48:31.538060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057042
observed 95508af6a38a59ec4e2ba85ed7247f74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:31.521502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057042/manifest.json
observed d27184e0954a401a89d7483e0887796f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:31.505338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057042/publication.md
observed 1d61174678f9cdcb80c9f5f896cb38cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:31.488240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057042/publication.txt
observed 6c18256cc7aad1b8e9f70f192e16ac42...
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.