OpenTechnical

OT-2026-000048737

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000048737) never changes.

Identity and time

Publication numberOT-2026-000048737 · never reused
Internal UUID01a0ae80-c32c-7415-9e8e-c0001ad155bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048737
StatusPUBLIC

Content hashes

Canonical textde20778ff14438a17e088110cc2b86cd44dbaa33bec02be85317b34a1d4b0f44
Markdown2038f94ff94384b49fa2a7a53e03c90ee023d7078f7fc0286ea974c67516a19f
PDF
Publication page1337ea5258e6c00ce0905041bd8197cfb3bc51308da81e759cdd4aa4fd1ebabe
Manifest5709254072721a77580b8ebd4407ab2860060a4cbe7a832625cf5ea15946def5

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
SignaturezZo4aMyHbwlBLvN2mp9ZIkVFW3eJji+xGlqWZsg4ml3BKQo30/2VcFPGNyvi5Ld4eMjW1HlD8fEDfQaI298FBg==
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

2026-09-17T11:04:23.457876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048737
observed 1337ea5258e6c00ce0905041bd8197cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:23.437386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048737/manifest.json
observed 5709254072721a77580b8ebd4407ab28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:23.418449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048737/publication.md
observed 2038f94ff94384b49fa2a7a53e03c90e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:23.397963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048737/publication.txt
observed de20778ff14438a17e088110cc2b86cd...
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.