OpenTechnical

OT-2026-000007598

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000007598) never changes.

Identity and time

Publication numberOT-2026-000007598 · never reused
Internal UUID01a0ae62-76bc-7614-9007-3de73ac2335e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007598
StatusPUBLIC

Content hashes

Canonical textf8000aeb44231236a465e3f9b548ad7640650b01d07a5f9a75ee0bf2eaa0558d
Markdownbb4de895ba58b286adf4af3acaa21bc4032d5a97bbc82c50505aea15e94dde3f
PDF
Publication pagecc5ecd069f2e87ebac65ee3341978b112b167895db402287be98c9e66cdb5427
Manifest1638dc8d49388bc0e8fd9b94fa37826ce26132e0f528db032c3cfce89d6fd70a

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
SignatureLDkZoovFuPZ7zWQOKDXF5Jake4HaA3gahPppwxHI96qkdnKZBR5QW6jgkj5P0b/bJKUlKtifaIC0tej0oPfwDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:12.482172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007598
observed cc5ecd069f2e87ebac65ee3341978b11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:12.467110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007598/manifest.json
observed 1638dc8d49388bc0e8fd9b94fa37826c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:12.449315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007598/publication.md
observed bb4de895ba58b286adf4af3acaa21bc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:12.431920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007598/publication.txt
observed f8000aeb44231236a465e3f9b548ad76...
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.