Pith Number

pith:F2VRBSK2

pith:2012:F2VRBSK2HK6MHRZZBF6GDQTFVQ

not attested not anchored not stored refs pending

Luminosity Functions of Spitzer Identified Protostars in Nine Nearby Molecular Clouds

E. Kryukova, J. Muzerolle, J. Pipher, L. E. Allen, P. C. Myers, R. A. Gutermuth, S. T. Megeath, T. S. Allen

arxiv:1204.1535 v1 · 2012-04-06 · 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{F2VRBSK2HK6MHRZZBF6GDQTFVQ}

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.

Cited by

1 paper in Pith

The Accretion Process on Protostars

Receipt and verification

First computed	2026-05-18T01:57:56.065428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2eab10c95a3abcc3c739097c61c265ac2e5d2a94d9c6d9ca0a0ee164962ce144

Aliases

arxiv: 1204.1535 · arxiv_version: 1204.1535v1 · doi: 10.48550/arxiv.1204.1535 · pith_short_12: F2VRBSK2HK6M · pith_short_16: F2VRBSK2HK6MHRZZ · pith_short_8: F2VRBSK2

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/F2VRBSK2HK6MHRZZBF6GDQTFVQ \
  | 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: 2eab10c95a3abcc3c739097c61c265ac2e5d2a94d9c6d9ca0a0ee164962ce144

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b92dc3497b12a446284108d2414161a007b92aee7a5008b4dd48f0d769602c54",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-04-06T18:52:54Z",
    "title_canon_sha256": "5df256eb72d3481bfa038d09de61f52c63b995920a890f056ad3d2668cf338f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1535",
    "kind": "arxiv",
    "version": 1
  }
}