Pith Number

pith:B57CTJ4X

pith:2011:B57CTJ4XTZ3YAY4BDSQDMMLEXW

not attested not anchored not stored refs pending

Modelling the Warm H2 Infrared Emission of the Helix Nebula Cometary Knots

2), (2) IAG-USP, (3) Institute of Origins, 4), (4) Institute of Origins, Albert A. Zijlstra (1), Astronomy, Department of Physics, Isabel Aleman (1, Mikako Matsuura (3, Mullard Space Science Laboratory, Rafael K. Kimura (2) ((1) Jodrell Bank Centre for Astrophysics, Ruth Gruenwald (2), The University of Manchester, Universidade de Sao Paulo, University College London, University College London)

arxiv:1105.3506 v1 · 2011-05-18 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B57CTJ4XTZ3YAY4BDSQDMMLEXW}

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	2026-05-18T02:01:56.832488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f7e29a7979e778063811ca0363164bd9983f057244ea5ef9344d9971ce2f807

Aliases

arxiv: 1105.3506 · arxiv_version: 1105.3506v1 · doi: 10.48550/arxiv.1105.3506 · pith_short_12: B57CTJ4XTZ3Y · pith_short_16: B57CTJ4XTZ3YAY4B · pith_short_8: B57CTJ4X

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/B57CTJ4XTZ3YAY4BDSQDMMLEXW \
  | 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: 0f7e29a7979e778063811ca0363164bd9983f057244ea5ef9344d9971ce2f807

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a7aa0361293810327c1bdc83e08522b494f1d670c9342def6172793cf68147e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-05-18T00:46:17Z",
    "title_canon_sha256": "fb673454f208db92a65dd0d3cb71db7cd3a58d190a1c287bdd929a9bfec6bf3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3506",
    "kind": "arxiv",
    "version": 1
  }
}