Pith Number

pith:QEEQUWVX

pith:2004:QEEQUWVX2DCPYL3RRNZCIYORCT

not attested not anchored not stored refs pending

Multi-Site observations of SU Aurigae

A. Collier Cameron, A. Hatzes, B. Foing, C. Catala, C. M. Johns-Krull, H. Cao, H. C. Stempels, H. F. Henrichs, J. A. de Jong, J.D. Landstreet, J. E. Neff, J.-F. Donati, J. Hao, J. M. Oliveira, J. Telting, K. G. Strassmeier, L. Kaper, N. Walton, P. Ehrenfreund, T. B\"ohm, Th. Granzer, T. Simon, Y. C. Unruh

arxiv:astro-ph/0401081 v1 · 2004-01-07 · 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{QEEQUWVX2DCPYL3RRNZCIYORCT}

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	2026-07-04T16:42:46.689926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81090a5ab7d0c4fc2f718b722461d114e78abcf019477bfde2b6398d6a366385

Aliases

arxiv: astro-ph/0401081 · arxiv_version: astro-ph/0401081v1 · doi: 10.48550/arxiv.astro-ph/0401081 · pith_short_12: QEEQUWVX2DCP · pith_short_16: QEEQUWVX2DCPYL3R · pith_short_8: QEEQUWVX

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/QEEQUWVX2DCPYL3RRNZCIYORCT \
  | 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: 81090a5ab7d0c4fc2f718b722461d114e78abcf019477bfde2b6398d6a366385

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c961121d023c921c503e03a9c59787b9af29e32921f50d58efb6a5bac337a8aa",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-01-07T17:59:06Z",
    "title_canon_sha256": "b11ee5ae0652142d6c6f6403f2eebf2d3921338951f2ca6e6e9a88843100b29c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0401081",
    "kind": "arxiv",
    "version": 1
  }
}