Pith Number

pith:ZI4G5REP

pith:2015:ZI4G5REPF2EXUN2VRKAHMKBMRZ

not attested not anchored not stored refs pending

The Ray Tracing Analytical Solution within the RAMOD framework. The case of a Gaia-like observer

Alberto Vecchiato, Fernando de Felice, Mariateresa Crosta, Mario Gilberto Lattanzi

arxiv:1501.03705 v1 · 2015-01-15 · 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{ZI4G5REPF2EXUN2VRKAHMKBMRZ}

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	2026-05-18T02:29:17.986521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca386ec48f2e897a37558a8076282c8e53fb9d10f0e57b69cdd69b4057e22b84

Aliases

arxiv: 1501.03705 · arxiv_version: 1501.03705v1 · doi: 10.48550/arxiv.1501.03705 · pith_short_12: ZI4G5REPF2EX · pith_short_16: ZI4G5REPF2EXUN2V · pith_short_8: ZI4G5REP

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/ZI4G5REPF2EXUN2VRKAHMKBMRZ \
  | 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: ca386ec48f2e897a37558a8076282c8e53fb9d10f0e57b69cdd69b4057e22b84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "563209b04eb0559237da8c92d925ba680fc255c85359dcce5e7a9b5419e1a500",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-01-15T14:55:30Z",
    "title_canon_sha256": "78dac11a6d281df2ff6f30f42540b27759ad52b0ee78a8224168fe3b57d6a962"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.03705",
    "kind": "arxiv",
    "version": 1
  }
}