OpenTechnical

OT-2026-000060924

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000060924) never changes.

Identity and time

Publication numberOT-2026-000060924 · never reused
Internal UUID01a0ae8b-12f2-784f-84ba-b039682ca284 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060924
StatusPUBLIC

Content hashes

Canonical text31119f217fd9f1fd4bd3616ce9a3118a74eb1f2fec249e3dc39123d881328ae5
Markdowna241e517afb2d3869934f9d663eb3642337f6c13665a220cfe54a7c15141df6d
PDF
Publication pagec9068ce1e2cdf0025c3ed9678d7dcb0f3028b12dd9a2a3d3d2bc6a7e39964f87
Manifest0f2fbc714f8073b5d007b09f5a4bbad4de26eb09dd46ab97b74d2c96e96327d1

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
SignaturePQCeCxPMmFqQJc3Dv0O0ulHEfZruZRJC62UXBRlbwH7+pyIcYCXn8jHeXS0fDJuZo7vbCANR6e5PSjpkRKRODw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:11.554362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060924
observed c9068ce1e2cdf0025c3ed9678d7dcb0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:11.536782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060924/manifest.json
observed 0f2fbc714f8073b5d007b09f5a4bbad4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:11.519722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060924/publication.md
observed a241e517afb2d3869934f9d663eb3642...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:11.502425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060924/publication.txt
observed 31119f217fd9f1fd4bd3616ce9a3118a...
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.