OpenTechnical

OT-2026-000046821

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000046821) never changes.

Identity and time

Publication numberOT-2026-000046821 · never reused
Internal UUID01a0ae7e-d0f4-70f0-b80f-c2ffcc6df8b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046821
StatusPUBLIC

Content hashes

Canonical text9fa9658030e1307a886dbcc8aaf84104b453fdc6b5be669f534dd73473bbfcaa
Markdown7c76a0331886ade96cb79db77ad6d3de69cd77b4cd0dd7bbcd987323e640fd1e
PDF
Publication page54fe521ce24828d4720534f0f2176b292b0d9f5b964c55b05ebf511b498231c4
Manifest7c9ad0f0e2763e6552cb52cd6b03c7223e6478b64155afd8dd68e96eedd93874

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
SignatureUU+2pz8ZuZYLF6ORRiXxCaH9X0yYRVn7UucWXZanTzg9s35q1dELCRboROddwfq1qXkQjSIospUThe5eJzMWBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:54.838713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046821
observed 54fe521ce24828d4720534f0f2176b29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:54.819120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046821/manifest.json
observed 7c9ad0f0e2763e6552cb52cd6b03c722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:54.794179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046821/publication.md
observed 7c76a0331886ade96cb79db77ad6d3de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:54.773436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046821/publication.txt
observed 9fa9658030e1307a886dbcc8aaf84104...
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.