Pith Number

pith:2B7IPGN3

pith:2011:2B7IPGN3GHEWGW3SGYA6SQKAQW

not attested not anchored not stored refs pending

Identification of rolling resistance as a shape parameter in sheared granular media

Alfredo Taboada (GM), \'Emilien Azema (LMGC), Farhang Radja\"i (LMGC), Nicolas Estrada

arxiv:1105.4418 v1 · 2011-05-23 · 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{2B7IPGN3GHEWGW3SGYA6SQKAQW}

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	2026-05-18T04:16:40.614423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d07e8799bb31c9635b723601e9414085a38d83a75b94d2301c8df52089a8384c

Aliases

arxiv: 1105.4418 · arxiv_version: 1105.4418v1 · doi: 10.48550/arxiv.1105.4418 · pith_short_12: 2B7IPGN3GHEW · pith_short_16: 2B7IPGN3GHEWGW3S · pith_short_8: 2B7IPGN3

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/2B7IPGN3GHEWGW3SGYA6SQKAQW \
  | 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: d07e8799bb31c9635b723601e9414085a38d83a75b94d2301c8df52089a8384c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03e35a73eaec78b33e38344dbcbcb373d2b3c7728571f5886ee311c20938330f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2011-05-23T07:32:10Z",
    "title_canon_sha256": "c32cc2466b167bece8c8f792ae5026cb7bc767f5336941b1cd002d5bc15efc82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4418",
    "kind": "arxiv",
    "version": 1
  }
}