Pith Number

pith:BKQUDN2K

pith:2012:BKQUDN2KRTIJGQH76AWNWZ6FDO

not attested not anchored not stored refs pending

The current best estimate of the Galactocentric distance of the Sun based on comparison of different statistical techniques

Zinovy Malkin

arxiv:1202.6128 v1 · 2012-02-28 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BKQUDN2KRTIJGQH76AWNWZ6FDO}

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	2026-05-18T04:01:14.163446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0aa141b74a8cd09340fff02cdb67c51b8171f225c0e70ef49295d783077baabb

Aliases

arxiv: 1202.6128 · arxiv_version: 1202.6128v1 · doi: 10.48550/arxiv.1202.6128 · pith_short_12: BKQUDN2KRTIJ · pith_short_16: BKQUDN2KRTIJGQH7 · pith_short_8: BKQUDN2K

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/BKQUDN2KRTIJGQH76AWNWZ6FDO \
  | 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: 0aa141b74a8cd09340fff02cdb67c51b8171f225c0e70ef49295d783077baabb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efc88dec574a6122015b6853f29526ed0eee18ef95f71f93c54469d82b0a46ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-02-28T05:54:31Z",
    "title_canon_sha256": "43bd6652ecf7d1f8dc47af702cea2deb2bc0e8473dffb82857db86d58eaa1137"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.6128",
    "kind": "arxiv",
    "version": 1
  }
}