Pith Number

pith:6IQ4ZYIO

pith:2009:6IQ4ZYIORSVDQLJVQWWTZTMA24

not attested not anchored not stored refs pending

Fragmentation and mass segregation in the massive dense cores of Cygnus X

F. Motte, N. Schneider, S. Bontemps, T. Csengeri

arxiv:0909.2315 v1 · 2009-09-12 · 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{6IQ4ZYIORSVDQLJVQWWTZTMA24}

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	2026-05-18T02:11:48.620632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f221cce10e8caa382d3585ad3ccd80d7236eae24150d0411c466b4593eb88566

Aliases

arxiv: 0909.2315 · arxiv_version: 0909.2315v1 · doi: 10.48550/arxiv.0909.2315 · pith_short_12: 6IQ4ZYIORSVD · pith_short_16: 6IQ4ZYIORSVDQLJV · pith_short_8: 6IQ4ZYIO

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/6IQ4ZYIORSVDQLJVQWWTZTMA24 \
  | 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: f221cce10e8caa382d3585ad3ccd80d7236eae24150d0411c466b4593eb88566

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05c793977a86c1fa5956658b4c1ef5f730a2ad10eb10331512a50c1255c07cd3",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-09-12T11:23:29Z",
    "title_canon_sha256": "cca0ee9348ec76a63ea1f9a0e4d247f0902d660fdeb9e99121a71d9e8f0b3ff0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2315",
    "kind": "arxiv",
    "version": 1
  }
}