Pith Number

pith:U4G2BA4G

pith:2010:U4G2BA4GXYZNY7NOUAP5WOA46X

not attested not anchored not stored refs pending

Herschel-SPIRE spectroscopy of the DR21 molecular cloud core

A. Abergel, A. Zavagno, B. Gom, B.M. Swinyard, C. Gry, C. Joblin, D.A. Naylor, D. Pinheiro Gocalvez, D. Russeil, D. Ward-Thompson, E. Dartois, E. Habart, E. Polehampton, F. Boulanger, F. Motte, G. Davis, G. Lagache, Glenn J. White, G. Makiwa, H. Arab, H. Moseley, J.A. Rod\'on, J.M. Kirk, J.-P. Baluteau, J.-P. Bernard, K. Blagrave, K. Okumura, L.D. Anderson, L. Spencer, M.-A. Miville-Desch\^enes, M. Cohen, M. Compiegne, M. Griffin, M. Huang, N. Schneider, P. Ade, P. Andr\'e, P. Cox, P. Martin, P. Saraceno, R. Emery, S. Bontemps, S. Jones, S. Leeks, S. Madden, S. Molinari, S. Sidher, T. Fulton, T. Lim, T. Rodet

arxiv:1005.2874 v1 · 2010-05-17 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U4G2BA4GXYZNY7NOUAP5WOA46X}

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	2026-05-18T02:07:18.321409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a70da08386be32dc7daea01fdb381cf5d36df37ed0a46e64d16ac79031b27a5c

Aliases

arxiv: 1005.2874 · arxiv_version: 1005.2874v1 · doi: 10.48550/arxiv.1005.2874 · pith_short_12: U4G2BA4GXYZN · pith_short_16: U4G2BA4GXYZNY7NO · pith_short_8: U4G2BA4G

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/U4G2BA4GXYZNY7NOUAP5WOA46X \
  | 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: a70da08386be32dc7daea01fdb381cf5d36df37ed0a46e64d16ac79031b27a5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2660d30201cfd162aafa37c961029dafc2482666b2e5d2726b1792f4cd338f27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-05-17T10:48:36Z",
    "title_canon_sha256": "4516c8e3d859163120ac5fa25f98f42b26b0b96e7f63bed1dd56a6eb3716ea76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.2874",
    "kind": "arxiv",
    "version": 1
  }
}