Pith Number

pith:YFWFDE2N

pith:2013:YFWFDE2NHIIUYM33UVMIGU6GXU

not attested not anchored not stored refs pending

VLA and CARMA Observations of Protostars in the Cepheus Clouds: Sub-arcsecond Proto-Binaries Formed via Disk Fragmentation

Claire J. Chandler (NRAO), David J. Wilner (CfA), Hsin-Fang Chiang (Hawaii), John J. Tobin (NRAO), Laurent Loinard (UNAM), Lee Hartmann (Michigan), Leslie W. Looney (Illinois), Nuria Calvet (Michigan), Paola D'Alessio (UNAM), Tyler L. Bourke (CfA), Woojin Kwon (SRON)

arxiv:1310.5154 v1 · 2013-10-18 · 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{YFWFDE2NHIIUYM33UVMIGU6GXU}

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	2026-05-18T01:46:57.634568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c16c51934d3a114c337ba5588353c6bd1b3f0547985547e48fe89daa7da22508

Aliases

arxiv: 1310.5154 · arxiv_version: 1310.5154v1 · doi: 10.48550/arxiv.1310.5154 · pith_short_12: YFWFDE2NHIIU · pith_short_16: YFWFDE2NHIIUYM33 · pith_short_8: YFWFDE2N

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/YFWFDE2NHIIUYM33UVMIGU6GXU \
  | 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: c16c51934d3a114c337ba5588353c6bd1b3f0547985547e48fe89daa7da22508

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb0a62f008dc614fad88e5840ecb3d77cc1c67373a6c190c91ce9a6968ae3152",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-10-18T20:09:38Z",
    "title_canon_sha256": "cddf65a1f693886fa1a41bd53b19a8d2ed1768b4b2b2ee996d1e21737395fa32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.5154",
    "kind": "arxiv",
    "version": 1
  }
}