Pith Number

pith:E6AOIZUU

pith:2015:E6AOIZUUDFQK7PVORU6O65UT6Z

not attested not anchored not stored refs pending

The Geodesic Light-Cone Coordinates, an Adapted System for Light-Signal-Based Cosmology

Fabien Nugier

arxiv:1508.07464 v1 · 2015-08-29 · astro-ph.CO · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E6AOIZUUDFQK7PVORU6O65UT6Z}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:34:32.221668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2780e466941960afbeae8d3cef7693f65821aa41cf2a854f19fb4c316350aedf

Aliases

arxiv: 1508.07464 · arxiv_version: 1508.07464v1 · doi: 10.48550/arxiv.1508.07464 · pith_short_12: E6AOIZUUDFQK · pith_short_16: E6AOIZUUDFQK7PVO · pith_short_8: E6AOIZUU

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/E6AOIZUUDFQK7PVORU6O65UT6Z \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 2780e466941960afbeae8d3cef7693f65821aa41cf2a854f19fb4c316350aedf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39ea2bdddb7416db86d9ce26c536caec01c92e83a16ba7fb8c7a94ccdb0bffeb",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-08-29T15:26:20Z",
    "title_canon_sha256": "40ebb0588c499ac3f2dbf661b3442e4eff2bd2303ae4cf08edef26208e5484ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07464",
    "kind": "arxiv",
    "version": 1
  }
}