Pith Number

pith:IUDNLXDF

pith:2010:IUDNLXDFPHBI7OULHLEOR5ER36

not attested not anchored not stored refs pending

Water ice in the dark dune spots of Richardson crater on Mars

A. Kereszturi, F. Schmidt, M. Vincendon

arxiv:1012.3652 v1 · 2010-12-16 · physics.geo-ph · astro-ph.EP

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

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	2026-05-18T02:04:23.700086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4506d5dc6579c28fba8b3ac8e8f491df85d2800da366b69980f316dcffa59577

Aliases

arxiv: 1012.3652 · arxiv_version: 1012.3652v1 · doi: 10.48550/arxiv.1012.3652 · pith_short_12: IUDNLXDFPHBI · pith_short_16: IUDNLXDFPHBI7OUL · pith_short_8: IUDNLXDF

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/IUDNLXDFPHBI7OULHLEOR5ER36 \
  | 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: 4506d5dc6579c28fba8b3ac8e8f491df85d2800da366b69980f316dcffa59577

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3569f737b601fe5bd560a0bded770ef1e0d96ee2f822daad9a1d54ca950e1b5c",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2010-12-16T16:04:46Z",
    "title_canon_sha256": "9acedcf129d5f17f2845c52b885d85e333b4234c93555ae6dc84e982235b7209"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.3652",
    "kind": "arxiv",
    "version": 1
  }
}