Pith Number

pith:4GNZ42CO

pith:2015:4GNZ42CO2NMDRSOAK5FJDYRGSG

not attested not anchored not stored refs pending

Gravitational fragmentation caught in the act: the filamentary Musca molecular cloud

Alvaro Hacar, Henrik Beuther, Herv\'e Bouy, Jo\~ao Alves, Jouni Kainulainen, Mario Tafalla

arxiv:1507.03742 v1 · 2015-07-14 · 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{4GNZ42CO2NMDRSOAK5FJDYRGSG}

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

Evolution of compressed clouds formed by filament coalescence. I. Oblique collisions

Receipt and verification

First computed	2026-05-18T01:21:55.095827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e19b9e684ed35838c9c0574a91e2269197b5c6444931ca7bec643b2c6030a965

Aliases

arxiv: 1507.03742 · arxiv_version: 1507.03742v1 · doi: 10.48550/arxiv.1507.03742 · pith_short_12: 4GNZ42CO2NMD · pith_short_16: 4GNZ42CO2NMDRSOA · pith_short_8: 4GNZ42CO

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/4GNZ42CO2NMDRSOAK5FJDYRGSG \
  | 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: e19b9e684ed35838c9c0574a91e2269197b5c6444931ca7bec643b2c6030a965

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddfaec074e19e714630fcceae39b8faa4206e2007088a9b8ac6bfae180777d69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-07-14T07:15:33Z",
    "title_canon_sha256": "26efec6608bd5b84298b3297bde1f734c9fc5fe1d69f6e6d6f52209b23b90147"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03742",
    "kind": "arxiv",
    "version": 1
  }
}