Pith Number

pith:M2TT6M5R

pith:1999:M2TT6M5RM4LBH7VD3TPRSTTKK5

not attested not anchored not stored refs pending

Near-Infrared Spectroscopy of the Cool Brown Dwarf, SDSS 1624+00

Fumihide Iwamuro, Ken-taro Motohara, Motohide Tamura, Ryuji Hata, Tadashi Nakajima, Takashi Tsuji, Takuya Yamashita, Tomoyuki Taguchi, Toshinori Maihara

arxiv:astro-ph/9912530 v1 · 1999-12-28 · 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{M2TT6M5RM4LBH7VD3TPRSTTKK5}

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	2026-05-18T01:40:12.189946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66a73f33b1671613fea3dcdf194e6a5760173694e2ebf969caa56b86bd7fbefd

Aliases

arxiv: astro-ph/9912530 · arxiv_version: astro-ph/9912530v1 · doi: 10.48550/arxiv.astro-ph/9912530 · pith_short_12: M2TT6M5RM4LB · pith_short_16: M2TT6M5RM4LBH7VD · pith_short_8: M2TT6M5R

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/M2TT6M5RM4LBH7VD3TPRSTTKK5 \
  | 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: 66a73f33b1671613fea3dcdf194e6a5760173694e2ebf969caa56b86bd7fbefd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a80603eaefaa924b1886eb5c98749143cc9d28debdcc085f40c6b6e1a52c891",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-12-28T06:03:10Z",
    "title_canon_sha256": "da663919104c52f137930a1664d8248742acb433cf84df39f8633287831dbf32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9912530",
    "kind": "arxiv",
    "version": 1
  }
}