Pith Number

pith:2RFFF6OF

pith:2010:2RFFF6OFNWCE2VI3HFAX4L54G5

not attested not anchored not stored refs pending

Variable accretion as a mechanism for brightness variations in T Tau S

Attila Juhasz, Jeroen Bouwman, Rainer Koehler, Roy van Boekel, Thomas Henning, Thorsten Ratzka, Tom Herbst, Willy Kley

arxiv:1004.3502 v1 · 2010-04-20 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2RFFF6OFNWCE2VI3HFAX4L54G5}

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	2026-05-18T02:07:56.136701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d44a52f9c56d844d551b39417e2fbc3753034e96cf4677674ad533dab19b3573

Aliases

arxiv: 1004.3502 · arxiv_version: 1004.3502v1 · doi: 10.48550/arxiv.1004.3502 · pith_short_12: 2RFFF6OFNWCE · pith_short_16: 2RFFF6OFNWCE2VI3 · pith_short_8: 2RFFF6OF

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/2RFFF6OFNWCE2VI3HFAX4L54G5 \
  | 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: d44a52f9c56d844d551b39417e2fbc3753034e96cf4677674ad533dab19b3573

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "525d4c75fa32bc2bb9c66f771a1b0743a62c11cac42e14b4d824d3dbdcb39817",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-04-20T16:53:16Z",
    "title_canon_sha256": "72f1abb8c9de9e08853b1adb88782b712319f1f13a4a8e719a897e009bf4663c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.3502",
    "kind": "arxiv",
    "version": 1
  }
}