Pith Number

pith:2NW3NYO2

pith:2019:2NW3NYO2DALPT7I6F3QOEIUBNW

not attested not anchored not stored refs pending

Low dust emissivities and radial variations in the envelopes of Class 0 protostars: a signature of early grain growth?

Anaelle J. Maury, Arnaud Belloche, Leonardo Testi, Maud Galametz, Philippe Andre, Valeska Valdivia

arxiv:1910.04652 v2 · 2019-10-10 · 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{2NW3NYO2DALPT7I6F3QOEIUBNW}

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	2026-07-05T00:22:20.501585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d36db6e1da1816f9fd1e2ee0e222816da405329ba73e26ed4afa35133cf5ebaf

Aliases

arxiv: 1910.04652 · arxiv_version: 1910.04652v2 · doi: 10.48550/arxiv.1910.04652 · pith_short_12: 2NW3NYO2DALP · pith_short_16: 2NW3NYO2DALPT7I6 · pith_short_8: 2NW3NYO2

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/2NW3NYO2DALPT7I6F3QOEIUBNW \
  | 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: d36db6e1da1816f9fd1e2ee0e222816da405329ba73e26ed4afa35133cf5ebaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d66b1c19d72f0590e53af3fcb7f8ac9dc85a816907ce5c9ecf218d216321b34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-10-10T15:34:56Z",
    "title_canon_sha256": "f295820ec227b3e1985b61721b403af9d3c0ebc8151dc8bc357e91978687d4d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.04652",
    "kind": "arxiv",
    "version": 2
  }
}