Pith Number

pith:V4JPAUNC

pith:2013:V4JPAUNC5KNKD3NAP5JBXAAGC2

not attested not anchored not stored refs pending

Heavy water stratification in a low-mass protostar

A. Coutens, C. Ceccarelli, C. Vastel, E. Caux, K. Demyk, S. Bottinelli, S. Cazaux, V. Taquet, V. Wakelam

arxiv:1304.2890 v1 · 2013-04-10 · 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{V4JPAUNC5KNKD3NAP5JBXAAGC2}

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	2026-05-18T01:50:40.565096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af12f051a2ea9aa1eda07f521b8006169e7aac7cd0ed0c1e1bfa8b624057a44e

Aliases

arxiv: 1304.2890 · arxiv_version: 1304.2890v1 · doi: 10.48550/arxiv.1304.2890 · pith_short_12: V4JPAUNC5KNK · pith_short_16: V4JPAUNC5KNKD3NA · pith_short_8: V4JPAUNC

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/V4JPAUNC5KNKD3NAP5JBXAAGC2 \
  | 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: af12f051a2ea9aa1eda07f521b8006169e7aac7cd0ed0c1e1bfa8b624057a44e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "183acebee0084122c60c0c70669409769bb5e443d1d996179f0959b0464ef697",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-04-10T09:50:42Z",
    "title_canon_sha256": "b96a077eb7be2d1e4d701e44720f21112a1d4abdaf83b5f23ae89d8e8b6fc6a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2890",
    "kind": "arxiv",
    "version": 1
  }
}