Pith Number

pith:UTX4L2VV

pith:2005:UTX4L2VVZXZ5RCYOMXEBKVWRED

not attested not anchored not stored refs pending

Granular Pressure and the Thickness of a Layer Jamming on a Rough Incline

Christophe Josserand, Daniel Lhuillier, Pierre-Yves Lagr\'ee

arxiv:cond-mat/0506155 v1 · 2005-06-06 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UTX4L2VVZXZ5RCYOMXEBKVWRED}

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	2026-05-18T01:08:58.287690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4efc5eab5cdf3d88b0e65c81556d120ee6c926ffed3fade9ed293a52e74a901

Aliases

arxiv: cond-mat/0506155 · arxiv_version: cond-mat/0506155v1 · doi: 10.48550/arxiv.cond-mat/0506155 · pith_short_12: UTX4L2VVZXZ5 · pith_short_16: UTX4L2VVZXZ5RCYO · pith_short_8: UTX4L2VV

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/UTX4L2VVZXZ5RCYOMXEBKVWRED \
  | 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: a4efc5eab5cdf3d88b0e65c81556d120ee6c926ffed3fade9ed293a52e74a901

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91c03dcee01002ef18a47a44fa897bc657033569514b287abf1930f1b6149c37",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2005-06-06T22:57:31Z",
    "title_canon_sha256": "746aac6542ec264cf7f023f7b60d77bbb3dbfd1e394590e6cfbcb6f4ab072476"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0506155",
    "kind": "arxiv",
    "version": 1
  }
}