Pith Number

pith:HEIK3RUM

pith:2011:HEIK3RUMX44DRY43ISYI5K74PZ

not attested not anchored not stored refs pending

The Observatorio del Teide welcomes SONG: The Stellar Observations Network Group

((1) Inst. Astrofisica de Canarias, 2), (2) Univ. La Laguna, (3) Aarhus University, (4) Niels Bohr Institute, 5), (5) Univ. of Copenhagen, Aarhus, Copenhagen, Denmark, Denmark), F. Grundahl (3), H. Kjeldsen (3), J. A. Belmonte (1, J. Christensen-Dalsgaard (3), O. L. Creevey (1, P. Kjaergaard Rasmussen (4), P. L. Pall\'e (1, S. Frandsen (3), Spain, Tenerife, U. Grae Jorgensen (4

arxiv:1112.5539 v1 · 2011-12-23 · astro-ph.SR · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HEIK3RUMX44DRY43ISYI5K74PZ}

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	2026-05-18T04:05:46.558156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3910adc68cbf3838e39b44b08eabfc7e767cdffe91bf9fcc7db0f18096d50e7d

Aliases

arxiv: 1112.5539 · arxiv_version: 1112.5539v1 · doi: 10.48550/arxiv.1112.5539 · pith_short_12: HEIK3RUMX44D · pith_short_16: HEIK3RUMX44DRY43 · pith_short_8: HEIK3RUM

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/HEIK3RUMX44DRY43ISYI5K74PZ \
  | 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: 3910adc68cbf3838e39b44b08eabfc7e767cdffe91bf9fcc7db0f18096d50e7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f08a49e514da9cc9e02c33f1b7a22c155fe7c0a204e01af8f1ae52e6fdf34bd",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-12-23T09:16:13Z",
    "title_canon_sha256": "0bd9cb23a62cf2d36a3e7f18f1ce186bd35ce11ca527a8ff64f3c005ebe96d59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5539",
    "kind": "arxiv",
    "version": 1
  }
}