Pith Number

pith:NQWDNNBQ

pith:2015:NQWDNNBQB3JPH63FQI3E7U4IHB

not attested not anchored not stored refs pending

Surface ages of mid-size Saturnian satellites

Macarena Zanardi, Romina P. Di Sisto

arxiv:1509.06773 v1 · 2015-09-22 · 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{NQWDNNBQB3JPH63FQI3E7U4IHB}

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	2026-05-18T01:32:18.093308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c2c36b4300ed2f3fb6582364fd38838618696b1d4cdd01b83fa0909ce2619b2

Aliases

arxiv: 1509.06773 · arxiv_version: 1509.06773v1 · doi: 10.48550/arxiv.1509.06773 · pith_short_12: NQWDNNBQB3JP · pith_short_16: NQWDNNBQB3JPH63F · pith_short_8: NQWDNNBQ

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/NQWDNNBQB3JPH63FQI3E7U4IHB \
  | 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: 6c2c36b4300ed2f3fb6582364fd38838618696b1d4cdd01b83fa0909ce2619b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31e67f254ad0ffcb1dccadc04dccac77cdf2af8d4f13212b68bf79bb8a3217ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-09-22T20:33:55Z",
    "title_canon_sha256": "2291180b0c1006e5c15c367262a31a53f63be899944fb7dcd4c91ad3a0dd8a95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06773",
    "kind": "arxiv",
    "version": 1
  }
}