Pith Number

pith:WTBMGAWA

pith:2019:WTBMGAWAOMUU2MGG2HMBPKIFBI

not attested not anchored not stored refs pending

Microphysical effects of water content and temperature on the triboelectrification of volcanic ash on long timescales

Josef Dufek, Joshua M\'endez Harper, Julian McAdams, Leah Courtland

arxiv:1908.04204 v2 · 2019-08-12 · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTBMGAWAOMUU2MGG2HMBPKIFBI}

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	2026-07-05T01:29:39.789815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4c2c302c073294d30c6d1d817a9050a244300b2881c4c7050a4602c97e90329

Aliases

arxiv: 1908.04204 · arxiv_version: 1908.04204v2 · doi: 10.48550/arxiv.1908.04204 · pith_short_12: WTBMGAWAOMUU · pith_short_16: WTBMGAWAOMUU2MGG · pith_short_8: WTBMGAWA

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/WTBMGAWAOMUU2MGG2HMBPKIFBI \
  | 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: b4c2c302c073294d30c6d1d817a9050a244300b2881c4c7050a4602c97e90329

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b014164753c0513f4195654a0150cc2d6e2d9d00887873064bcf3fd24691bb2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2019-08-12T15:36:01Z",
    "title_canon_sha256": "eba8bba3cb0459b83968aa2363fc9ce5263318b311c3e31b026ace56e965d4da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04204",
    "kind": "arxiv",
    "version": 2
  }
}