Pith Number

pith:BCRPOL6N

pith:2026:BCRPOL6NJWFAO2IMHMKQKGUZOB

not attested not anchored not stored refs pending

The International Lunar Reference System

Agn\`es Fienga (on behalf of the IAG WG 1.1.3)

arxiv:2607.27762 v1 · 2026-07-30 · 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{BCRPOL6NJWFAO2IMHMKQKGUZOB}

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	2026-07-31T01:30:30.620918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

08a2f72fcd4d8a07690c3b15051a997049194ea02fbdd33133c2ae3b414aca21

Aliases

arxiv: 2607.27762 · arxiv_version: 2607.27762v1 · doi: 10.48550/arxiv.2607.27762 · pith_short_12: BCRPOL6NJWFA · pith_short_16: BCRPOL6NJWFAO2IM · pith_short_8: BCRPOL6N

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/BCRPOL6NJWFAO2IMHMKQKGUZOB \
  | 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: 08a2f72fcd4d8a07690c3b15051a997049194ea02fbdd33133c2ae3b414aca21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b63b1b179682cce8891406a181b756e47c9be5a390e5c150c1f641a179b81f12",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2026-07-30T07:01:42Z",
    "title_canon_sha256": "f2c8558cb2f8cf5817df38d3f6cf6a872396a3017a455b74cae4cc5680b3192c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27762",
    "kind": "arxiv",
    "version": 1
  }
}