Pith Number

pith:LR7TTHY3

pith:2022:LR7TTHY3XW2GXJFVML4ZMXXJBD

not attested not anchored not stored refs pending

A New UV Spectral Feature on Europa: Confirmation of NaCl in Leading-hemisphere Chaos Terrain

Amanda Hendrix, Juan Alday, Kurt D. Retherford, Lorenz Roth, Michael E. Brown, Philippa Molyneux, Samantha K. Trumbo, Tracy M. Becker, William T. P. Denman

arxiv:2201.01333 v1 · 2022-01-04 · 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{LR7TTHY3XW2GXJFVML4ZMXXJBD}

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	2026-07-05T03:46:04.744216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c7f399f1bbdb46ba4b562f9965ee908c0da0ee51f6a9d1d884cd0fb9a5e9b5d

Aliases

arxiv: 2201.01333 · arxiv_version: 2201.01333v1 · doi: 10.48550/arxiv.2201.01333 · pith_short_12: LR7TTHY3XW2G · pith_short_16: LR7TTHY3XW2GXJFV · pith_short_8: LR7TTHY3

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/LR7TTHY3XW2GXJFVML4ZMXXJBD \
  | 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: 5c7f399f1bbdb46ba4b562f9965ee908c0da0ee51f6a9d1d884cd0fb9a5e9b5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04754e682d57e0821a4fe458078999a698f2aa506d416dbb6f34f7c73735e3e2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-01-04T20:02:11Z",
    "title_canon_sha256": "44cd86107d23372a6321a270887800cb6284c15c721569f31b05a098c83e06a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.01333",
    "kind": "arxiv",
    "version": 1
  }
}