Pith Number

pith:RQJIPYGN

pith:2008:RQJIPYGNJC7YZK3S736MX26MVI

not attested not anchored not stored refs pending

Granular discharge and clogging for tilted hoppers

D. J. Durian, Hannah G. Sheldon

arxiv:0810.0495 v3 · 2008-10-02 · 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{RQJIPYGNJC7YZK3S736MX26MVI}

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	2026-05-18T04:37:22.362909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c1287e0cd48bf8cab72fefccbebccaa1f389002679e605787fcd6792ee47d73

Aliases

arxiv: 0810.0495 · arxiv_version: 0810.0495v3 · doi: 10.48550/arxiv.0810.0495 · pith_short_12: RQJIPYGNJC7Y · pith_short_16: RQJIPYGNJC7YZK3S · pith_short_8: RQJIPYGN

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/RQJIPYGNJC7YZK3S736MX26MVI \
  | 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: 8c1287e0cd48bf8cab72fefccbebccaa1f389002679e605787fcd6792ee47d73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d85a526e2cea40016ee381ce1a0d730ff78f52f8bfce39e83ba12bcc69e1d036",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2008-10-02T17:35:39Z",
    "title_canon_sha256": "62afa1347e235e70aeab2a0c3ed772f9219f1b627d58484a751610d1ce581b93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.0495",
    "kind": "arxiv",
    "version": 3
  }
}