Pith Number

pith:6ZPVYLB4

pith:2019:6ZPVYLB4J3F4LCFX47XPJUVWIU

not attested not anchored not stored refs pending

Evolution of fragment size distributions from the crushing of granular materials

Falk K. Wittel, Hans J. Herrmann, Pavel S. Iliev

arxiv:1901.04801 v1 · 2019-01-15 · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6ZPVYLB4J3F4LCFX47XPJUVWIU}

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	2026-05-17T23:56:21.700853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f65f5c2c3c4ecbc588b7e7eef4d2b64528ce401fab1494dde42da8bdb69f6912

Aliases

arxiv: 1901.04801 · arxiv_version: 1901.04801v1 · doi: 10.48550/arxiv.1901.04801 · pith_short_12: 6ZPVYLB4J3F4 · pith_short_16: 6ZPVYLB4J3F4LCFX · pith_short_8: 6ZPVYLB4

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/6ZPVYLB4J3F4LCFX47XPJUVWIU \
  | 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: f65f5c2c3c4ecbc588b7e7eef4d2b64528ce401fab1494dde42da8bdb69f6912

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20530e88d97c71df3db3db8ce17698a9daadde50e1a8b75e1481ba6322936e74",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2019-01-15T12:59:34Z",
    "title_canon_sha256": "38770ea31e7b3a9ecf9212e7572925d6c964ce7cf506d58d91d2386fe438b512"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04801",
    "kind": "arxiv",
    "version": 1
  }
}