OpenTechnical

OT-2026-000058476

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000058476) never changes.

Identity and time

Publication numberOT-2026-000058476 · never reused
Internal UUID01a0ae88-f39b-7111-8668-b27fa4064b2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058476
StatusPUBLIC

Content hashes

Canonical text377d2d4b49ff3063bd38c2a2d1c8e91e67acf7a40ae1516413e801b8909874ff
Markdown9fc5d4885ec17db7bd83af594ffd0028998eea24872036601b4950267f197647
PDF
Publication page84f64fe7de7c9720b3e86d4b633ae4ebd4506baf776e3a8a6e34de0daa4a5919
Manifest63ede39b9867f2e2daf6a6de49eecf870d13af822fb94c1bfb824844af5b35a4

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
SignatureAAFSXM1ezYT3Mnf3NmY8Vm+wcs3dPwZJnZoHBQPLHKvR2EbZTTKx9CaImNh5aT97rfFv56nShGFlwicYzdvcDw==
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

2026-09-17T10:46:55.846554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058476
observed 84f64fe7de7c9720b3e86d4b633ae4eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:55.829740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058476/manifest.json
observed 63ede39b9867f2e2daf6a6de49eecf87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:55.811208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058476/publication.md
observed 9fc5d4885ec17db7bd83af594ffd0028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:55.793791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058476/publication.txt
observed 377d2d4b49ff3063bd38c2a2d1c8e91e...
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.