OpenTechnical

OT-2026-000023554

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000023554) never changes.

Identity and time

Publication numberOT-2026-000023554 · never reused
Internal UUID01a0ae70-7269-7260-80ed-e9ae1cf1b794 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023554
StatusPUBLIC

Content hashes

Canonical text0a9b7056795db00dd9005d2ab195c4559efd1c0074c2f0349280a72387c17478
Markdown43d4524084ba40d66f72fcf7f785d91cd1dda2f71e294177b69fda5c7e8c65e0
PDF
Publication page505d4eedd3cb18fe8583eafb10ca8e2dcdfc537df323c378d5056ab1fdbdaaeb
Manifest0122a0894beb689e3302848473d433f4f6230c0a62cea37fcffe24a2279f693d

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
SignaturemGno1QH1fJyi7mYCMBtCJBO6ZGVufp9VvzW/WSCKOfeGjwIxmWje3Adz6LaD0liKX5SV2In0jFughKiiwPekBA==
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

2026-09-17T11:51:54.069223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023554
observed 505d4eedd3cb18fe8583eafb10ca8e2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:54.051782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023554/manifest.json
observed 0122a0894beb689e3302848473d433f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:54.031802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023554/publication.md
observed 43d4524084ba40d66f72fcf7f785d91c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:54.014373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023554/publication.txt
observed 0a9b7056795db00dd9005d2ab195c455...
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.