Pith Number

pith:JDWILKDI

pith:2013:JDWILKDIYRI6KHGE6YKBGYYGUZ

not attested not anchored not stored refs pending

Drag force scaling for penetration into granular media

D. J. Durian, H. Katsuragi

arxiv:1304.4212 v2 · 2013-04-15 · 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{JDWILKDIYRI6KHGE6YKBGYYGUZ}

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	2026-05-18T03:22:18.340064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48ec85a868c451e51cc4f614136306a677d6879df008364d2c3e9d019ab725d3

Aliases

arxiv: 1304.4212 · arxiv_version: 1304.4212v2 · doi: 10.48550/arxiv.1304.4212 · pith_short_12: JDWILKDIYRI6 · pith_short_16: JDWILKDIYRI6KHGE · pith_short_8: JDWILKDI

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/JDWILKDIYRI6KHGE6YKBGYYGUZ \
  | 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: 48ec85a868c451e51cc4f614136306a677d6879df008364d2c3e9d019ab725d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "910378e8597e8e6484f18b0fb7fa631f87477aaff4c2a4c2a5cdb3b50de8a834",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2013-04-15T19:27:49Z",
    "title_canon_sha256": "71ed6ee7228fdfe2941e70b9536be7ea5d58b6aacd7d06604d34bd943c99d000"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4212",
    "kind": "arxiv",
    "version": 2
  }
}