Pith Number

pith:IQG256NE

pith:2015:IQG256NE2VTEGICDPMKJBF6QCF

not attested not anchored not stored refs pending

Protostellar accretion traced with chemistry: Comparing synthetic C18O maps of embedded protostars to real observations

Jes K. J{\o}rgensen, Paolo Padoan, S{\o}ren Frimann, Troels Haugb{\o}lle

arxiv:1512.00416 v2 · 2015-12-01 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IQG256NE2VTEGICDPMKJBF6QCF}

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	2026-05-18T01:20:32.946335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

440daef9a4d5664320437b149097d0115c724d54e5363054c6297b56c3727085

Aliases

arxiv: 1512.00416 · arxiv_version: 1512.00416v2 · doi: 10.48550/arxiv.1512.00416 · pith_short_12: IQG256NE2VTE · pith_short_16: IQG256NE2VTEGICD · pith_short_8: IQG256NE

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/IQG256NE2VTEGICDPMKJBF6QCF \
  | 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: 440daef9a4d5664320437b149097d0115c724d54e5363054c6297b56c3727085

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bf62ff523f332d145b6c1ac414f3db1b64bf8ca36f9e1875e7403713e33dd1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-12-01T20:14:54Z",
    "title_canon_sha256": "73cd4de0d13f86880fc556efa3224f881827f4ca5bf80401004a0fbe96da3155"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.00416",
    "kind": "arxiv",
    "version": 2
  }
}