Pith Number

pith:533YWCXD

pith:2011:533YWCXDR2ZPOONBKKDJSXNZI5

not attested not anchored not stored refs pending

TreeCol: a novel approach to estimating column densities in astrophysical simulations

Paul C. Clark, Ralf S. Klessen, Simon C.O. Glover

arxiv:1109.3861 v1 · 2011-09-18 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{533YWCXDR2ZPOONBKKDJSXNZI5}

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	2026-05-18T02:00:29.655106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eef78b0ae38eb2f739a15286995db9477ae8205c57f2d066c1af05352ef5ae51

Aliases

arxiv: 1109.3861 · arxiv_version: 1109.3861v1 · doi: 10.48550/arxiv.1109.3861 · pith_short_12: 533YWCXDR2ZP · pith_short_16: 533YWCXDR2ZPOONB · pith_short_8: 533YWCXD

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/533YWCXDR2ZPOONBKKDJSXNZI5 \
  | 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: eef78b0ae38eb2f739a15286995db9477ae8205c57f2d066c1af05352ef5ae51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cd75edecc52fbc50add4719e2aa4f4a9c70d813ee31fd0e0753bf8caae7a015",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-09-18T11:40:13Z",
    "title_canon_sha256": "cea025a39c2bc445fd39fd67887b518560dfa95d260bad40e7c9b142bdffd9d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3861",
    "kind": "arxiv",
    "version": 1
  }
}