Pith Number

pith:Q4KM5RUO

pith:2010:Q4KM5RUOY2DNJCL5ST55RTTHOF

not attested not anchored not stored refs pending

Pressure independence of granular flow through an aperture

Adriana Calvo (GMP), Jean-Christophe G\'eminard (Phys-ENS), Juan G. Grande (GMP), Luis A. Pugnaloni (IFLySyB), Maria Alejandra Aguirre (GMP)

arxiv:1005.2884 v1 · 2010-05-17 · cond-mat.mtrl-sci · cond-mat.soft · physics.flu-dyn

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q4KM5RUOY2DNJCL5ST55RTTHOF}

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	2026-05-18T02:07:18.297796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8714cec68ec686d4897d94fbd8ce67716f9798b0e2ef9b16b0b4f79dcbdfa19f

Aliases

arxiv: 1005.2884 · arxiv_version: 1005.2884v1 · doi: 10.48550/arxiv.1005.2884 · pith_short_12: Q4KM5RUOY2DN · pith_short_16: Q4KM5RUOY2DNJCL5 · pith_short_8: Q4KM5RUO

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/Q4KM5RUOY2DNJCL5ST55RTTHOF \
  | 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: 8714cec68ec686d4897d94fbd8ce67716f9798b0e2ef9b16b0b4f79dcbdfa19f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b4d26e57d78767943bb0c6ad87344fa446daff347fa51391021e65c58e623c7",
    "cross_cats_sorted": [
      "cond-mat.soft",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2010-05-17T11:20:37Z",
    "title_canon_sha256": "fd712d8ecc932990840139648b2cae9d4d906b8f4c98d681e8b94e3f6a0f9587"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.2884",
    "kind": "arxiv",
    "version": 1
  }
}