OpenTechnical

OT-2026-000060874

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, vented after 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-2026-000060874) never changes.

Identity and time

Publication numberOT-2026-000060874 · never reused
Internal UUID01a0ae8b-12f0-753b-96d8-24ee970cd18b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060874
StatusPUBLIC

Content hashes

Canonical text2cf71c0591b2733305bd43f1a3f8ed412761107e7fc98dec117275f5758870f0
Markdown51669ba19a0930f19e3ab335601b33f7ac42dea8358ffc8e93d20020116b9ff6
PDF
Publication page5d9c96f96f8f22080f2a397d18d73c1a34e2c51322a8ada7a92f11ad2b8bcfbb
Manifestf589116be3006e2d10c9a247a454de43b446f1a5261bef2e30e36d29e3ad5f7a

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
Signatureu4bzq8oWV530l/qDqUuYKp/HzSAK7Eqx43KQJK9e9cWC0nQOkEIyGfSDiUxR7cv8elHXDcJorPrgBfTE8STYDg==
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

2026-09-17T10:41:36.308143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060874
observed 5d9c96f96f8f22080f2a397d18d73c1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:36.290049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060874/manifest.json
observed f589116be3006e2d10c9a247a454de43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:36.271829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060874/publication.md
observed 51669ba19a0930f19e3ab335601b33f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:36.251114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060874/publication.txt
observed 2cf71c0591b2733305bd43f1a3f8ed41...
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.