OpenTechnical

OT-2026-000061959

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000061959) never changes.

Identity and time

Publication numberOT-2026-000061959 · never reused
Internal UUID01a0ae8b-b8ad-7ef1-a9e5-6d2c1f371ed1 · 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-2026-000061959
StatusPUBLIC

Content hashes

Canonical textb8023b20b0e707cce8c40f355b0f6e9120c5db8eb6012a526f1d03c658cb76ab
Markdown782b8bf0c2155111ea91c074b37ceef8e38e31acffac5cceecb2076523442c08
PDF
Publication page1bd7bf46968467a4ca9a998ab53b9c36497726803b918a9e9924ea4541d7b7bd
Manifestad6776bebd552e9599d007d8948441acdfcb722ab3a2d874dddf98720297ec10

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
SignatureK0c75bUeIU3RmyEqZH6GoMUdPqbbLKXet5kvisCcokr9zdpUxqp823AfsfYcpEHLmcNy5qimi5VVlybgOsMjDQ==
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

2026-09-17T10:40:52.064253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061959
observed 1bd7bf46968467a4ca9a998ab53b9c36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:52.036553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061959/manifest.json
observed ad6776bebd552e9599d007d8948441ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:52.010010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061959/publication.md
observed 782b8bf0c2155111ea91c074b37ceef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:51.983898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061959/publication.txt
observed b8023b20b0e707cce8c40f355b0f6e91...
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.