Pith Number

pith:ZIJOMVGH

pith:2012:ZIJOMVGHDBCYUBUW3Q4GVZVRZB

not attested not anchored not stored refs pending

Some modifications to the SNIP journal impact indicator

Ludo Waltman, Martijn S. Visser, Nees Jan van Eck, Thed N. van Leeuwen

arxiv:1209.0785 v1 · 2012-09-04 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZIJOMVGHDBCYUBUW3Q4GVZVRZB}

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	2026-05-18T03:46:16.240872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca12e654c718458a0696dc386ae6b1c87c09b80f9425f2b80e8220eba28ba09c

Aliases

arxiv: 1209.0785 · arxiv_version: 1209.0785v1 · doi: 10.48550/arxiv.1209.0785 · pith_short_12: ZIJOMVGHDBCY · pith_short_16: ZIJOMVGHDBCYUBUW · pith_short_8: ZIJOMVGH

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/ZIJOMVGHDBCYUBUW3Q4GVZVRZB \
  | 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: ca12e654c718458a0696dc386ae6b1c87c09b80f9425f2b80e8220eba28ba09c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5dd7d5003439371ca39645d7ad8247db77fcc21cc055933580e2500c70a3d64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2012-09-04T20:04:08Z",
    "title_canon_sha256": "f2492ee89a2f9b5097c00a439f7be8ab3f3b81fb0796c94775d06fc3d2700c30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.0785",
    "kind": "arxiv",
    "version": 1
  }
}