Pith Number

pith:72T3CHK7

pith:2010:72T3CHK76QAF6HTEPLOCXS6B5F

not attested not anchored not stored refs pending

The Enigmatic Young Low-Mass Variable TWA 30

Adam J. Burgasser (UCSD/MIT), Andrew A. West (Boston University), Dagny L. Looper (IfA/UH), Eric E. Mamajek (U Rochester), Gregory J. Herczeg (Max Planck Institut), Jacqueline K. Faherty (AMNH/Stony Brook University), J. Davy Kirkpatrick (Caltech/IPAC), John J. Bochanski (MIT), John Rayner (IfA/UH), Mark A. Pitts (IfA/UH), Subhanjoy Mohanty (Imperial College)

arxiv:1003.3447 v2 · 2010-03-17 · astro-ph.GA · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{72T3CHK76QAF6HTEPLOCXS6B5F}

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	2026-05-18T02:08:26.291146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fea7b11d5ff4005f1e647adc2bcbc1e967ab909adcacd32418556c17f2494b51

Aliases

arxiv: 1003.3447 · arxiv_version: 1003.3447v2 · doi: 10.48550/arxiv.1003.3447 · pith_short_12: 72T3CHK76QAF · pith_short_16: 72T3CHK76QAF6HTE · pith_short_8: 72T3CHK7

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/72T3CHK76QAF6HTEPLOCXS6B5F \
  | 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: fea7b11d5ff4005f1e647adc2bcbc1e967ab909adcacd32418556c17f2494b51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fb67709b58a645c0bc830e6c9910e40912ae282806ca738c957695e07453e68",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-03-17T20:00:05Z",
    "title_canon_sha256": "fea4602b950436c3498f334135d0d168eea2857396795d9dad4dadab36c9d546"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.3447",
    "kind": "arxiv",
    "version": 2
  }
}