Pith Number

pith:RPLQ42AB

pith:2011:RPLQ42ABUNUOUBN3UQVW32G4JG

not attested not anchored not stored refs pending

Chemical evolution of protoplanetary disks - the effects of viscous accretion, turbulent mixing and disk winds

3), Catherine Walsh (2), Dominikus Heinzeller (1, Graduate School of Science, Hideko Nomura (1), Japan (2) Astrophysics Research Centre, Kyoto University, New Zealand), Physics, Queen's University Belfast, School of Mathematics, Tom J. Millar (2) ((1) Department of Astronomy, UK (3) Meteorological Service of New Zealand Limited, Wellington

arxiv:1102.3972 v1 · 2011-02-19 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RPLQ42ABUNUOUBN3UQVW32G4JG}

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	2026-05-18T02:03:07.565440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bd70e6801a368ea05bba42b6de8dc49b4df2da7abeeabca402606bea80eee13

Aliases

arxiv: 1102.3972 · arxiv_version: 1102.3972v1 · doi: 10.48550/arxiv.1102.3972 · pith_short_12: RPLQ42ABUNUO · pith_short_16: RPLQ42ABUNUOUBN3 · pith_short_8: RPLQ42AB

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/RPLQ42ABUNUOUBN3UQVW32G4JG \
  | 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: 8bd70e6801a368ea05bba42b6de8dc49b4df2da7abeeabca402606bea80eee13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4148dc917a7c864a5226ffe2d812d418a033a11a659efaa76a9bdc311934e01",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-02-19T06:47:14Z",
    "title_canon_sha256": "21634eb0cff1f7610e96922fcd0dc6424a73e678d1e374248e7bb6977f5b65cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3972",
    "kind": "arxiv",
    "version": 1
  }
}