Pith Number

pith:QQC5FBGE

pith:2009:QQC5FBGESFQAKICIKYY33KEE7Y

not attested not anchored not stored refs pending

The Bibliometric Properties of Article Readership Information

Alberto Accomazzi, Barbara Elwell, Carolyn S. Grant, Guenther Eichhorn, Markus Demleitner, Michael J. Kurtz, Nathalie Martimbeau, Stephen S. Murray

arxiv:0909.4789 v1 · 2009-09-25 · cs.DL · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QQC5FBGESFQAKICIKYY33KEE7Y}

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	2026-07-04T15:53:16.221725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8405d284c491600520485631bda884fe164a2494d0d3cdc3270b600cabdb2b9c

Aliases

arxiv: 0909.4789 · arxiv_version: 0909.4789v1 · doi: 10.48550/arxiv.0909.4789 · pith_short_12: QQC5FBGESFQA · pith_short_16: QQC5FBGESFQAKICI · pith_short_8: QQC5FBGE

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/QQC5FBGESFQAKICIKYY33KEE7Y \
  | 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: 8405d284c491600520485631bda884fe164a2494d0d3cdc3270b600cabdb2b9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c7944fe7fd772ce41a49829149d3d9950a6ca4db9e9b6d176f799df1e7daaf8",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2009-09-25T20:29:52Z",
    "title_canon_sha256": "97e7260343eef7cafcf02c79ebb7e31dd9b2b8bfc66471fc61a6cdda3cd372bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4789",
    "kind": "arxiv",
    "version": 1
  }
}