Pith Number

pith:7VKFRB55

pith:2005:7VKFRB55G4TKEC25M2DYHNCJHI

not attested not anchored not stored refs pending

Evidence for J and H-band excess in classical T Tauri stars and the implications for disk structure and estimated ages

Daniel T. Jaffe, Jaqueline E. Kessler-Silacci, Lucas A. Cieza, Neal J. Evans II, Paul M. Harvey

arxiv:astro-ph/0509036 v1 · 2005-09-01 · 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{7VKFRB55G4TKEC25M2DYHNCJHI}

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	2026-07-04T17:15:05.724804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd545887bd3726a20b5d668783b4493a3297642db7d56bdb722b0a24268e02ef

Aliases

arxiv: astro-ph/0509036 · arxiv_version: astro-ph/0509036v1 · doi: 10.48550/arxiv.astro-ph/0509036 · pith_short_12: 7VKFRB55G4TK · pith_short_16: 7VKFRB55G4TKEC25 · pith_short_8: 7VKFRB55

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/7VKFRB55G4TKEC25M2DYHNCJHI \
  | 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: fd545887bd3726a20b5d668783b4493a3297642db7d56bdb722b0a24268e02ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28fed804bac4f40a995028708b6c4f8222b2f96b168c8a1f19615fda7ad6b519",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-01T23:04:15Z",
    "title_canon_sha256": "5f5d5685fd76857e6b130296d00a4b7f496e9153f81e88c344e9d1beb3e43f8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509036",
    "kind": "arxiv",
    "version": 1
  }
}