Pith Number

pith:IBK4OSVJ

pith:2010:IBK4OSVJ76RNKU7LK7ZINBWT62

not attested not anchored not stored refs pending

Variations in H2O+/H2O ratios toward massive star-forming regions

A. Baudry, A. De Jonge, A. Fuente, A.M. di Giorgio, A.O. Benz, B. Larsson, B. Nisini, B. Parise, C. Codella, C. Dominik, C. McCoey, C. Risacher, D. Beintema, D. Johnstone, D. Lis, E. Bergin, E. Falgarone, E.F van Dishoeck, F. Daniel, F. Helmich, F. Herpin, F. van der Tak, F. Wyrowski, G. Blake, G.J. Herczeg, G. Melnick, J. Braine, J. Cernicharo, J.C. Pearson, J.H. Black, J.K. J{\o}rgensen, J.R. Goicoechea, J. Santiago, J. Stutzki, L. Chavarria, L.E. Kristensen, M. Benedettini, M. Fich, M. Gerin, M. Marseille, M. Olberg, M.R. Hogerheijde, M. Tafalla, N. Whyborn, P. Bjerkeli, P. Caselli, P. Dieleman, P. Encrenaz, P. Roelfsema, P. Saraceno, R. Bachiller, R. Liseau, R. Plume, R. Shipman, R. Visser, S. Bontemps, S. Bruderer, S.D. Doty, S. Wampfler, T.A. van Kempen, T. Giannini, Th. de Graauw, T. Jacq, U.A. Y{\i}ld{\i}z, V. Ossenkopf, W. Frieswijk

arxiv:1007.4370 v1 · 2010-07-26 · 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{IBK4OSVJ76RNKU7LK7ZINBWT62}

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	2026-05-18T02:06:10.636021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4055c74aa9ffa2d553eb57f28686d3f69c2ec2c41928a93f854853c53f4277a5

Aliases

arxiv: 1007.4370 · arxiv_version: 1007.4370v1 · doi: 10.48550/arxiv.1007.4370 · pith_short_12: IBK4OSVJ76RN · pith_short_16: IBK4OSVJ76RNKU7L · pith_short_8: IBK4OSVJ

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/IBK4OSVJ76RNKU7LK7ZINBWT62 \
  | 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: 4055c74aa9ffa2d553eb57f28686d3f69c2ec2c41928a93f854853c53f4277a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32eaae767e69138cc7aa3bc34ab199309446da70313f5d69c357ee9549c08126",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-07-26T03:03:12Z",
    "title_canon_sha256": "f98c99c07f642d46e5b58438f9e3779331c2f2bd758d8be70a1044612e93da6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.4370",
    "kind": "arxiv",
    "version": 1
  }
}