Pith Number

pith:WIBBZ4FT

pith:2012:WIBBZ4FT6RSEEUFNEOKDALYNTH

not attested not anchored not stored refs pending

The granular silo as a continuum plastic flow: the hour-glass vs the clepsydra

Lydie Staron, Pierre-Yves Lagr\'ee, St\'ephane Popinet

arxiv:1211.5916 v1 · 2012-11-26 · physics.flu-dyn · 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{WIBBZ4FT6RSEEUFNEOKDALYNTH}

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	2026-05-18T03:39:53.820785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2021cf0b3f4644250ad2394302f0d99cd03e27be17a95bdd2e66c824b2e3e46

Aliases

arxiv: 1211.5916 · arxiv_version: 1211.5916v1 · doi: 10.48550/arxiv.1211.5916 · pith_short_12: WIBBZ4FT6RSE · pith_short_16: WIBBZ4FT6RSEEUFN · pith_short_8: WIBBZ4FT

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/WIBBZ4FT6RSEEUFNEOKDALYNTH \
  | 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: b2021cf0b3f4644250ad2394302f0d99cd03e27be17a95bdd2e66c824b2e3e46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "822c997f667d2a2d39919a5f56f0519c452561b1f9e21c62ae212df42c7d4dc1",
    "cross_cats_sorted": [
      "cond-mat.soft"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2012-11-26T11:40:24Z",
    "title_canon_sha256": "9be2f74f80a7940fc6baf42cdaa58bb8a3ca1d3e4b4e2a8d2239351a49841daa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.5916",
    "kind": "arxiv",
    "version": 1
  }
}