Pith Number

pith:QCHKQBHF

pith:2012:QCHKQBHFJY54DLUPVCTPWUZC4T

not attested not anchored not stored refs pending

Astronomy in Argentina

Hern\'an Muriel

arxiv:1212.6407 v1 · 2012-12-27 · 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{QCHKQBHFJY54DLUPVCTPWUZC4T}

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	2026-05-18T03:37:39.816834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

808ea804e54e3bc1ae8fa8a6fb5322e4fae740e5311605b51d93a3e30214d426

Aliases

arxiv: 1212.6407 · arxiv_version: 1212.6407v1 · doi: 10.48550/arxiv.1212.6407 · pith_short_12: QCHKQBHFJY54 · pith_short_16: QCHKQBHFJY54DLUP · pith_short_8: QCHKQBHF

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/QCHKQBHFJY54DLUPVCTPWUZC4T \
  | 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: 808ea804e54e3bc1ae8fa8a6fb5322e4fae740e5311605b51d93a3e30214d426

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d4219d78739a74791e07654632cf6752156c4b6cad6f8a9cb39e940474dc40a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-12-27T18:03:11Z",
    "title_canon_sha256": "dbe3a565082adbff0e11870b355e80584e77f139ac639349adc99fd9eb84a740"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.6407",
    "kind": "arxiv",
    "version": 1
  }
}