Pith Number

pith:O3ITSN4E

pith:2010:O3ITSN4EN7JATFTWKCCHFOFCGM

not attested not anchored not stored refs pending

A Chandra Study of the Rosette Star-Forming Complex. III. The NGC 2237 Cluster and the Region's Star Formation History

Carlos G. Rom\'an-Z\'u\~niga, Elizabeth Lada, Eric D. Feigelson, Gordon Garmire, Junfeng Wang, Leisa K. Townsley, Patrick S. Broos

arxiv:1004.1422 v1 · 2010-04-08 · astro-ph.SR · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O3ITSN4EN7JATFTWKCCHFOFCGM}

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	2026-05-18T02:08:07.711431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76d13937846fd2099676508472b8a233168c7fa071c99347febf5810433746dd

Aliases

arxiv: 1004.1422 · arxiv_version: 1004.1422v1 · doi: 10.48550/arxiv.1004.1422 · pith_short_12: O3ITSN4EN7JA · pith_short_16: O3ITSN4EN7JATFTW · pith_short_8: O3ITSN4E

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/O3ITSN4EN7JATFTWKCCHFOFCGM \
  | 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: 76d13937846fd2099676508472b8a233168c7fa071c99347febf5810433746dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae67a01666740609e478eec7f5a92ff28ebfc85ba4fd194f90bd869dab42823a",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-04-08T20:11:30Z",
    "title_canon_sha256": "33198ede6ef96517861b35fe8c175cf7070c377ec1485d3c1cbad4bf83fcbdb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.1422",
    "kind": "arxiv",
    "version": 1
  }
}