OpenTechnical

OT-2026-000014252

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000014252) never changes.

Identity and time

Publication numberOT-2026-000014252 · never reused
Internal UUID01a0ae6d-b279-79b4-9da0-1c531874af60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014252
StatusPUBLIC

Content hashes

Canonical text46b84fa95cbefe504cc79adf66d0f8d0384768471904cb9143aeff3f56c19983
Markdown9e136ed5f9ec492194d233a837b562007f4675ca1de691e73eaea2fd02ebafca
PDF
Publication page390f78364ba51e18a662a38503118114cfe007e64bdacf31fd723fbaf47d4ec7
Manifestdbf6d6b4742bb29e7f594d78d3a82b6c5b8ed6117acc6a50fcbc171290d3ab03

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
SignaturevbhF58Bkn+SFR5JF0Toskbjty72ElYSzrV2qoXlCiaI3zTfmf1POs3dzf57To+8p7U6epg1jA9RFE0+YqlplAA==
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

2026-09-17T12:07:22.582814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014252
observed 390f78364ba51e18a662a38503118114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:22.565162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014252/manifest.json
observed dbf6d6b4742bb29e7f594d78d3a82b6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:22.548089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014252/publication.md
observed 9e136ed5f9ec492194d233a837b56200...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:22.525676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014252/publication.txt
observed 46b84fa95cbefe504cc79adf66d0f8d0...
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.