Pith Number

pith:4APDUPNN

pith:2015:4APDUPNNQESRDPE2ZJMNICM6I6

not attested not anchored not stored refs pending

Tracing Embedded Stellar Populations in Clusters and Galaxies using Molecular Emission: Methanol as a Signature of the Low-Mass End of the IMF

E. A. Bergin, L. E. Kristensen

arxiv:1506.04160 v1 · 2015-06-12 · astro-ph.SR · 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{4APDUPNNQESRDPE2ZJMNICM6I6}

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	2026-05-18T01:36:52.849196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e01e3a3dad812511bc9aca58d4099e478fa0c19fe473f6aa4c418aa7f8a3a547

Aliases

arxiv: 1506.04160 · arxiv_version: 1506.04160v1 · doi: 10.48550/arxiv.1506.04160 · pith_short_12: 4APDUPNNQESR · pith_short_16: 4APDUPNNQESRDPE2 · pith_short_8: 4APDUPNN

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/4APDUPNNQESRDPE2ZJMNICM6I6 \
  | 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: e01e3a3dad812511bc9aca58d4099e478fa0c19fe473f6aa4c418aa7f8a3a547

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a30ca652b5216d996c271f0cba6c7bd80d6650642e4a77be34d2a3dad120e49",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-06-12T20:11:03Z",
    "title_canon_sha256": "a43001a3b176a8b15082608e723361389cb25e540c8426f0700cf6da5ed5011f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.04160",
    "kind": "arxiv",
    "version": 1
  }
}