pith. sign in
Pith Number

pith:M4NQKGEC

pith:2012:M4NQKGECEWMJQ5S7HTC3PAXFSO
not attested not anchored not stored refs pending

Standard candles from the Gaia perspective

Dafydd W. Evans, Gisella Clementini, Laszlo Szabados, Laurent Eyer, Lovro Palaversa, Nami Mowlavi, Pierre Dubath, Richard I. Anderson, Silvio Leccia, Thomas Lebzelter, Vincenzo Ripepi

arxiv:1201.4889 v1 · 2012-01-23 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{M4NQKGECEWMJQ5S7HTC3PAXFSO}

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 2026-05-18T01:58:43.031459Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

671b051882259898765f3cc5b782e593bff70aba284e9ae091e972879c37d4a0

Aliases

arxiv: 1201.4889 · arxiv_version: 1201.4889v1 · doi: 10.48550/arxiv.1201.4889 · pith_short_12: M4NQKGECEWMJ · pith_short_16: M4NQKGECEWMJQ5S7 · pith_short_8: M4NQKGEC
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/M4NQKGECEWMJQ5S7HTC3PAXFSO \
  | 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: 671b051882259898765f3cc5b782e593bff70aba284e9ae091e972879c37d4a0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0fc2c916755c241c5692b5cc9e6f0791fb446dad9e340b0673a77fe0700232cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-01-23T22:41:27Z",
    "title_canon_sha256": "619e4fcf268326529a442c811205cf36d28f420fa2b14f3d5abd99288d7c8397"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4889",
    "kind": "arxiv",
    "version": 1
  }
}