Pith Number

pith:YZVHFF3O

pith:2013:YZVHFF3O3BK5XLBLORO2OGS3BF

not attested not anchored not stored refs pending

A Massive Protostar Forming by Ordered Collapse of a Dense, Massive Core

Barbara Whitney, Charles Telesco, Christopher F. McKee, Ed Churchwell, Goran Sandell, James M. De Buizer, Jan E. Staff, Jonathan C. Tan, Maria T. Beltran, Ralph Shuping, Yichen Zhang

arxiv:1302.3858 v1 · 2013-02-15 · astro-ph.GA · 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{YZVHFF3O3BK5XLBLORO2OGS3BF}

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	2026-05-18T01:51:36.208659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c66a72976ed855dbac2b745da71a5b0945bb59fa8a6077d1c3a7c1dc6ed77b8e

Aliases

arxiv: 1302.3858 · arxiv_version: 1302.3858v1 · doi: 10.48550/arxiv.1302.3858 · pith_short_12: YZVHFF3O3BK5 · pith_short_16: YZVHFF3O3BK5XLBL · pith_short_8: YZVHFF3O

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/YZVHFF3O3BK5XLBLORO2OGS3BF \
  | 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: c66a72976ed855dbac2b745da71a5b0945bb59fa8a6077d1c3a7c1dc6ed77b8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc000d52dc16de70c16ec48aae7d4e05fd9a311f75b2499a7de18ecf3261157b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-02-15T19:52:23Z",
    "title_canon_sha256": "88ccfdaa89647798261fab335f93202339d42212c889d25eb2971372f381c5fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3858",
    "kind": "arxiv",
    "version": 1
  }
}