Pith Number

pith:SBGX6JA6

pith:2011:SBGX6JA6PVUH77MIXT2GBTXUMP

not attested not anchored not stored refs pending

Arches and contact forces in a granular pile

C. Manuel Carlevaro, Luis A. Pugnaloni

arxiv:1110.4793 v2 · 2011-10-21 · 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{SBGX6JA6PVUH77MIXT2GBTXUMP}

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	2026-05-18T03:51:35.738747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

904d7f241e7d687ffd88bcf460cef463d3f6edadef0909bcc9fb38ab7649f014

Aliases

arxiv: 1110.4793 · arxiv_version: 1110.4793v2 · doi: 10.48550/arxiv.1110.4793 · pith_short_12: SBGX6JA6PVUH · pith_short_16: SBGX6JA6PVUH77MI · pith_short_8: SBGX6JA6

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/SBGX6JA6PVUH77MIXT2GBTXUMP \
  | 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: 904d7f241e7d687ffd88bcf460cef463d3f6edadef0909bcc9fb38ab7649f014

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ccb09f9cd1e6e7bfb829b1769e2fd3100ebdf1cdd497e62fc322d5ffdd8f72a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2011-10-21T13:53:42Z",
    "title_canon_sha256": "b28fc0fc868aa6584d03c93acbdc9899484650d3e5911fac7f0773c1ea85a25a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4793",
    "kind": "arxiv",
    "version": 2
  }
}