Pith Number

pith:ZNMDH3SL

pith:2017:ZNMDH3SL4CPLQMA7WZA7GTHK3G

not attested not anchored not stored refs pending

Evidence for OH or H2O on the surface of 433 Eros and 1036 Ganymed

Andrew S. Rivkin, Ellen S. Howell, Jessica Sunshine, Joshua P. Emery

arxiv:1704.04776 v1 · 2017-04-16 · 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{ZNMDH3SL4CPLQMA7WZA7GTHK3G}

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	2026-05-18T00:46:17.756676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb5833ee4be09eb8301fb641f34cead982af77f939180aa974053b2a65c5294b

Aliases

arxiv: 1704.04776 · arxiv_version: 1704.04776v1 · doi: 10.48550/arxiv.1704.04776 · pith_short_12: ZNMDH3SL4CPL · pith_short_16: ZNMDH3SL4CPLQMA7 · pith_short_8: ZNMDH3SL

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/ZNMDH3SL4CPLQMA7WZA7GTHK3G \
  | 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: cb5833ee4be09eb8301fb641f34cead982af77f939180aa974053b2a65c5294b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8574845a0dfe9efb5963dd6ae53cd7c596c0ec434727d6da73030d212d64c690",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-04-16T13:33:44Z",
    "title_canon_sha256": "2ad9bd758ff9482c2630eac314a1d2eae6c262551ecdba0717a68041813c2952"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04776",
    "kind": "arxiv",
    "version": 1
  }
}