OpenTechnical

OT-2026-000057018

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000057018) never changes.

Identity and time

Publication numberOT-2026-000057018 · never reused
Internal UUID01a0ae87-d5b6-756a-8eda-21b9b36485b8 · 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-2026-000057018
StatusPUBLIC

Content hashes

Canonical text6b6c941b6bad99ff3192ad22decd8fc3abf45104af1ef182991e845eaedab065
Markdown7c0609962540e2f786e5d22f49802c06db7aad887dade22bd188758c5b0435b1
PDF
Publication pagefedb3e4431220d5545179b267e97d7bf1e69c429ccb4855a359cda3b04089be4
Manifestd13c4fa26881dfad5eef7820d65b93f536882996522b10e13009c4dbd39f8fe4

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
Signature/13K5lvxMbNH1TpUnm4MF7CnUrh0j1LXsGbwjOtte/s+riA1+Dtf/IcivKVnWbJPZ+wqI9SMdyEeKpiltzGXCw==
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

2026-09-17T10:48:29.666253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057018
observed fedb3e4431220d5545179b267e97d7bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:29.646777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057018/manifest.json
observed d13c4fa26881dfad5eef7820d65b93f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:29.626510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057018/publication.md
observed 7c0609962540e2f786e5d22f49802c06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:29.606746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057018/publication.txt
observed 6b6c941b6bad99ff3192ad22decd8fc3...
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.