Pith Number

pith:YTK3HBJ3

pith:2009:YTK3HBJ3DX3RV5PRGQ5VCVYESG

not attested not anchored not stored refs pending

The young, tight and low mass binary TWA22AB: a new calibrator for evolutionary models ? Orbit, spectral types and temperatures determination

A-M. Lagrange, C. Ducourant, C. Dumas, G. Chauvin, H. Beust, I. Song, J-L. Beuzit, M. Bonnefoy, M. Desort, R. Texeira

arxiv:0906.1799 v1 · 2009-06-09 · 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{YTK3HBJ3DX3RV5PRGQ5VCVYESG}

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	2026-05-18T02:13:21.141130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4d5b3853b1df71af5f1343b51570491bf4a0fe4c7c326de0b28ac886f761ae4

Aliases

arxiv: 0906.1799 · arxiv_version: 0906.1799v1 · doi: 10.48550/arxiv.0906.1799 · pith_short_12: YTK3HBJ3DX3R · pith_short_16: YTK3HBJ3DX3RV5PR · pith_short_8: YTK3HBJ3

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/YTK3HBJ3DX3RV5PRGQ5VCVYESG \
  | 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: c4d5b3853b1df71af5f1343b51570491bf4a0fe4c7c326de0b28ac886f761ae4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adde8e7a6ee22687f91da1426cf8f8703997130413e61c3dfc147e634519d17c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-06-09T18:44:38Z",
    "title_canon_sha256": "28af9ef8f0894d332e65a3c2f03e0640ce967ed7411aa2047a58db2a759954c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1799",
    "kind": "arxiv",
    "version": 1
  }
}