OpenTechnical

OT-2026-000025946

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000025946) never changes.

Identity and time

Publication numberOT-2026-000025946 · never reused
Internal UUID01a0ae71-a83f-7a24-90ef-f30c52e253b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025946
StatusPUBLIC

Content hashes

Canonical text087ea40be2123e4d4d1f823ae3ea62b8d137f2097273380bf5e465e2bcf340d1
Markdown6caf6de1c3794ae24a59c0e699242bcebd91b4ffc20c7b33e0a8f691e504d8d4
PDF
Publication page81b0644d6712fd76447340c60be3d838ddae9eac83c0173f3727beadde469187
Manifest45594d296cf8076c80262bbbf3a2f08f3af7fedf644f427f08483b0a650455f5

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
Signaturewco2vwVKs2mtVJ95LMRTQ3iygvlETGSb+4B3ZTB4NdEwZP9DTR6zylPqBDZgQuTKdiEYBItz6eZwrTjw57hpCw==
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

2026-09-17T11:46:18.726342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025946
observed 81b0644d6712fd76447340c60be3d838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:18.706048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025946/manifest.json
observed 45594d296cf8076c80262bbbf3a2f08f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:18.687792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025946/publication.md
observed 6caf6de1c3794ae24a59c0e699242bce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:18.668293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025946/publication.txt
observed 087ea40be2123e4d4d1f823ae3ea62b8...
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.