pith. sign in
Pith Number

pith:ZLP5IREO

pith:2012:ZLP5IREOZ7WERSZS4ZPQ2F7P4W
not attested not anchored not stored refs pending

The star formation history of RCW 36

Arjan Bik, Koen M. Maaskant, Lex Kaper, Linda Podio, Lucas E. Ellerbroek

arxiv:1205.1513 v1 · 2012-05-07 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ZLP5IREOZ7WERSZS4ZPQ2F7P4W}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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 2026-05-18T03:56:10.032736Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

cadfd4448ecfec48cb32e65f0d17efe5895460b95b47e2977636fd2d487313bb

Aliases

arxiv: 1205.1513 · arxiv_version: 1205.1513v1 · doi: 10.48550/arxiv.1205.1513 · pith_short_12: ZLP5IREOZ7WE · pith_short_16: ZLP5IREOZ7WERSZS · pith_short_8: ZLP5IREO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZLP5IREOZ7WERSZS4ZPQ2F7P4W \
  | 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: cadfd4448ecfec48cb32e65f0d17efe5895460b95b47e2977636fd2d487313bb
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "067aa036fb86487d0bef6848903a2759a059e46e91c1880bc8634ba59bd556a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-05-07T20:00:02Z",
    "title_canon_sha256": "07a05e76b056314817476fdfeb65ef8adbe960508b8ad6849e379bee17663d45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1513",
    "kind": "arxiv",
    "version": 1
  }
}