Pith Number

pith:6HAB3TVN

pith:2012:6HAB3TVNKVGNM3ZUPVT73WET6O

not attested not anchored not stored refs pending

An upper limit on the sulphur abundance in HE 1327-2326

1), (2) Zentrum f\"ur Astronomie der Universit\"at Heidelberg, (3) Department of Physics, (4) The W. J. McDonald Observatory, Astronomy, CNRS, D. L. Lambert (4) ((1) GEPI-Observatoire de Paris, E. Caffau (2, K. A. Venn (3), Landessternwarte, P. Bonifacio (1), The University of Texas at Austin), University of Victoria, Univ. Paris Diderot

arxiv:1207.1806 v3 · 2012-07-07 · astro-ph.GA · astro-ph.CO · 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{6HAB3TVNKVGNM3ZUPVT73WET6O}

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	2026-05-18T01:56:27.028748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1c01dcead554cd66f347d67fdd893f3bf14ebeaf694b8fc1f310a5758f0f9bd

Aliases

arxiv: 1207.1806 · arxiv_version: 1207.1806v3 · doi: 10.48550/arxiv.1207.1806 · pith_short_12: 6HAB3TVNKVGN · pith_short_16: 6HAB3TVNKVGNM3ZU · pith_short_8: 6HAB3TVN

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/6HAB3TVNKVGNM3ZUPVT73WET6O \
  | 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: f1c01dcead554cd66f347d67fdd893f3bf14ebeaf694b8fc1f310a5758f0f9bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6745effd408e5155ae332431c907ceeec8a6cbb26b3e561396c6d501f6cf26e2",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-07-07T15:50:32Z",
    "title_canon_sha256": "502b9c8ac900b9c77b9283714a4d23d758214377df7cd0d87e95ec0fb7c57c0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1806",
    "kind": "arxiv",
    "version": 3
  }
}