OpenTechnical

OT-2026-000022926

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000022926) never changes.

Identity and time

Publication numberOT-2026-000022926 · never reused
Internal UUID01a0ae70-46eb-7dc7-aa07-ae7b1a40730e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022926
StatusPUBLIC

Content hashes

Canonical text70251f37e954447a5471f6f74a6c451de11b8d152e70aed679bdc47f3e984e29
Markdown62cfedb062e1fec2329dccac338fa8c3bcba970fc83686be41195233b82773d1
PDF
Publication pageca905645bc1ca99f98105b1724e637536716f4e13e98abf3c3fffd640f44feeb
Manifestb794173bc90119b865ec7b314da72bc9c17ca1b868052f141bc43c930db64b2a

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
Signature3rj0A4Itccaj/Hfab7naF8Y3amBuuf0pXiNohKPW6DINK9SrhURYtVr4mWABPrpYLfcC/mdqueQgy7UbMMruAA==
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

2026-09-17T11:52:30.246791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022926
observed ca905645bc1ca99f98105b1724e63753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:30.229898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022926/manifest.json
observed b794173bc90119b865ec7b314da72bc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:30.215001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022926/publication.md
observed 62cfedb062e1fec2329dccac338fa8c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:30.198998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022926/publication.txt
observed 70251f37e954447a5471f6f74a6c451d...
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.