Pith Number

pith:KKYZF44K

pith:2009:KKYZF44KANBRUBG2BEUPRKSRKZ

not attested not anchored not stored refs pending

Spitzer mapping of molecular hydrogen pure rotational lines in NGC 1333: A detailed study of feedback in star formation

Dan M. Watson, David A. Neufeld, Edwin A. Bergin, Gary J. Melnick, Joel D. Green, Karen Willacy, Lars E. Kristensen, Martin O. Harwit, Michael W. Werner, Paule Sonnentrucker, Sebastien Maret, Volker Tolls, Yuan Yuan

arxiv:0904.0603 v1 · 2009-04-03 · 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{KKYZF44KANBRUBG2BEUPRKSRKZ}

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	2026-05-18T04:29:15.380915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52b192f38a03431a04da0928f8aa515651d0f5362b1e7802c1dc3fa0e5b93ef3

Aliases

arxiv: 0904.0603 · arxiv_version: 0904.0603v1 · doi: 10.48550/arxiv.0904.0603 · pith_short_12: KKYZF44KANBR · pith_short_16: KKYZF44KANBRUBG2 · pith_short_8: KKYZF44K

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/KKYZF44KANBRUBG2BEUPRKSRKZ \
  | 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: 52b192f38a03431a04da0928f8aa515651d0f5362b1e7802c1dc3fa0e5b93ef3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6056660b34072d179467f4f55a1ee20f7eafe81b7837df65a4b84f1e63f286e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-04-03T15:43:32Z",
    "title_canon_sha256": "33c10dfe988a20b4111c9a8bf624245429a65ed1b0c8c8866bc276339cc3d5ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0603",
    "kind": "arxiv",
    "version": 1
  }
}