Pith Number

pith:2PNFQKOF

pith:2010:2PNFQKOF2BF36KRBTHXZ22ZJZU

not attested not anchored not stored refs pending

The methanol lines and hot core of OMC2-FIR4, an intermediate-mass protostar, with Herschel-HIFI

A. Bacmann, A. Baudry, A. Boogert, A. Castets, A. Coutens, A. Fuente, A.G.G.M. Tielens, A. Klotz, A. Lorenzani, A. Walters, B. Lefloch, B. Nisini, B. Parise, C. Ceccarelli, C. Codella, C. Comito, C. Dominik, C. Kahane, C. Vastel, D. Lis, E.A. Bergin, E. Caux, E. Falgarone, E. Herbst, F. Helmich, F. van der Tak, F. Wyrowski, G.A. Blake, G. Melnick, H. Yorke, J. Cernicharo, J. Pearson, K. Demyk, K. Schuster, L. Pagani, M. Benedettini, M. Gerin, M.H.D. van der Wiel, M. Kama, M. Salez, N. Crimier, P. Cais, P. Caselli, P. Encrenaz, P.F. Goldsmith, P. Hennebelle, P. Hily-Blant, P. Saraceno, P. Schilke, R. G\"usten, S. Bottinelli, S. Cabrit, S. Lord, S. Maret, S. Pacheco, S. Philipp, S. Viti, T. Bell, T. Henning, T. Jacq, T. Klein, T. Phillips, V. Wakelam, W. Langer

arxiv:1008.2513 v1 · 2010-08-15 · 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{2PNFQKOF2BF36KRBTHXZ22ZJZU}

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	2026-05-18T01:09:23.663305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3da5829c5d04bbf2a2199ef9d6b29cd221ad27508d4e212e77ed81782eb3112

Aliases

arxiv: 1008.2513 · arxiv_version: 1008.2513v1 · doi: 10.48550/arxiv.1008.2513 · pith_short_12: 2PNFQKOF2BF3 · pith_short_16: 2PNFQKOF2BF36KRB · pith_short_8: 2PNFQKOF

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/2PNFQKOF2BF36KRBTHXZ22ZJZU \
  | 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: d3da5829c5d04bbf2a2199ef9d6b29cd221ad27508d4e212e77ed81782eb3112

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b0583058e9cb1b392fb27467399318eb6f923cbe9fba2c05f14783377c6de59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-08-15T11:02:03Z",
    "title_canon_sha256": "f7e5523d11434d0bbf595c71f16dee6870a06c85ad79a095ce6f5da589d9979f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2513",
    "kind": "arxiv",
    "version": 1
  }
}