Pith Number

pith:CF64XKOC

pith:2012:CF64XKOCIRK35JEG657P5RQP5A

not attested not anchored not stored refs pending

IRIS: A Generic Three-Dimensional Radiative Transfer Code

C. Stehl\'e, I. Hubeny, L. Ibgui, T. Lanz

arxiv:1211.4870 v1 · 2012-11-20 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CF64XKOCIRK35JEG657P5RQP5A}

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

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	2026-05-18T01:53:02.264083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

117dcba9c24455bea486f77efec60fe80e519ce89c910e8fa8bfce0143df372d

Aliases

arxiv: 1211.4870 · arxiv_version: 1211.4870v1 · doi: 10.48550/arxiv.1211.4870 · pith_short_12: CF64XKOCIRK3 · pith_short_16: CF64XKOCIRK35JEG · pith_short_8: CF64XKOC

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/CF64XKOCIRK35JEG657P5RQP5A \
  | 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: 117dcba9c24455bea486f77efec60fe80e519ce89c910e8fa8bfce0143df372d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ffaae833b9f62c424c40e38d96ce8ace797cc2831c350abbb4691bc76db271b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-11-20T21:00:01Z",
    "title_canon_sha256": "cb58e0e1586b2ca6d8a608398c0b949012794367b2b9e4796ebf379bcd147736"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4870",
    "kind": "arxiv",
    "version": 1
  }
}