Pith Number

pith:HMZLJ7Q3

pith:2012:HMZLJ7Q3RXDR2DA6R57JN7MISH

not attested not anchored not stored refs pending

Fundamental structural characteristics of planar granular assemblies: self-organisation and scaling away friction and initial state

Raphael Blumenfeld, Takashi Matsushima

arxiv:1207.2988 v2 · 2012-07-12 · cond-mat.soft · 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{HMZLJ7Q3RXDR2DA6R57JN7MISH}

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	2026-05-18T00:50:58.199301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b32b4fe1b8dc71d0c1e8f7e96fd8891ff24a048554ab38497f0f96e06ac0a65

Aliases

arxiv: 1207.2988 · arxiv_version: 1207.2988v2 · doi: 10.48550/arxiv.1207.2988 · pith_short_12: HMZLJ7Q3RXDR · pith_short_16: HMZLJ7Q3RXDR2DA6 · pith_short_8: HMZLJ7Q3

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/HMZLJ7Q3RXDR2DA6R57JN7MISH \
  | 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: 3b32b4fe1b8dc71d0c1e8f7e96fd8891ff24a048554ab38497f0f96e06ac0a65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1060a3e1f633c8101cbb6e84cdb3c48eb95429539a1dfb88c7a85205eb16777",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2012-07-12T14:55:09Z",
    "title_canon_sha256": "b044a5157d9ac3d77a80501b66fddd9f15a7db79ed23d48e5254fdfd003b343c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2988",
    "kind": "arxiv",
    "version": 2
  }
}