Pith Number

pith:K4ZBKQOM

pith:2017:K4ZBKQOMHCREQ5OBGE37WQKWGC

not attested not anchored not stored refs pending

Variegation and space weathering on asteroid 21 Lutetia

F. Preusker, F. Scholten, H.U. Keller, K.-D. Matz, S.E. Schr\"oder, S. Hviid, S. Mottola

arxiv:1701.00943 v1 · 2017-01-04 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K4ZBKQOMHCREQ5OBGE37WQKWGC}

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	2026-05-18T00:53:21.841047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57321541cc38a24875c13137fb415630aad765f7453779f616772965afea895a

Aliases

arxiv: 1701.00943 · arxiv_version: 1701.00943v1 · doi: 10.48550/arxiv.1701.00943 · pith_short_12: K4ZBKQOMHCRE · pith_short_16: K4ZBKQOMHCREQ5OB · pith_short_8: K4ZBKQOM

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/K4ZBKQOMHCREQ5OBGE37WQKWGC \
  | 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: 57321541cc38a24875c13137fb415630aad765f7453779f616772965afea895a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e4145103540591404fa8fae08029fafdad8de45d277a63f391a78c69a192352",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-01-04T09:45:55Z",
    "title_canon_sha256": "e23702bb57b6cfa8021ec25abb222187e6ea6046413a987e56e9dc2acdce4613"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00943",
    "kind": "arxiv",
    "version": 1
  }
}