pith. sign in
Pith Number

pith:Y5XTEOZ5

pith:2012:Y5XTEOZ5HBEXFCTLSAW3UYLREM
not attested not anchored not stored refs pending

New H2 collision-induced absorption and NH3 opacity and the spectra of the coolest brown dwarfs

D. Saumon, L. Frommhold, M. Abel, M. S. Marley, R. S. Freedman

arxiv:1202.6293 v1 · 2012-02-28 · astro-ph.SR · astro-ph.EP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{Y5XTEOZ5HBEXFCTLSAW3UYLREM}

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 2026-05-18T01:58:18.664170Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c76f323b3d3849728a6b902dba6171232d26d1e3b30ebd92022b4b58b22fd9c9

Aliases

arxiv: 1202.6293 · arxiv_version: 1202.6293v1 · doi: 10.48550/arxiv.1202.6293 · pith_short_12: Y5XTEOZ5HBEX · pith_short_16: Y5XTEOZ5HBEXFCTL · pith_short_8: Y5XTEOZ5
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/Y5XTEOZ5HBEXFCTLSAW3UYLREM \
  | 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: c76f323b3d3849728a6b902dba6171232d26d1e3b30ebd92022b4b58b22fd9c9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1515406d8fd5aac041664596a9c164261dda3c8b482f480fffc0338105d30bb8",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-28T17:25:41Z",
    "title_canon_sha256": "122dae015c3104c24b52228be1f0446eb56fed035f54615054e464522453e88a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.6293",
    "kind": "arxiv",
    "version": 1
  }
}