Pith Number

pith:ED2HEIRF

pith:2001:ED2HEIRFZ3FGAW4PVDPGWMGOQ6

not attested not anchored not stored refs pending

Infrared Spectroscopy of Brown Dwarfs: the onset of methane absorption in L dwarfs and the L/T transition

D Golimowski, G. R. Knapp, K. S. Noll, S. K. Leggett, T. R. Geballe, X. Fan

arxiv:astro-ph/0102059 v1 · 2001-02-03 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ED2HEIRFZ3FGAW4PVDPGWMGOQ6}

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	2026-07-04T14:11:02.873498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20f4722225ceca605b8fa8de6b30ce87a191b3cf1f0fbceeb482cd7e88b777d4

Aliases

arxiv: astro-ph/0102059 · arxiv_version: astro-ph/0102059v1 · doi: 10.48550/arxiv.astro-ph/0102059 · pith_short_12: ED2HEIRFZ3FG · pith_short_16: ED2HEIRFZ3FGAW4P · pith_short_8: ED2HEIRF

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/ED2HEIRFZ3FGAW4PVDPGWMGOQ6 \
  | 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: 20f4722225ceca605b8fa8de6b30ce87a191b3cf1f0fbceeb482cd7e88b777d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "843d6e8a6a8fc9590ad568e12359bdfa0c742683c05f97059276084b7bc734da",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-02-03T08:22:29Z",
    "title_canon_sha256": "fa2426d3768a3b051c6247ee91ee424301862ccdcab63d94c90ecd6d1602984d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0102059",
    "kind": "arxiv",
    "version": 1
  }
}