Pith Number

pith:YSKPKFHQ

pith:2012:YSKPKFHQZJ3X4JORJQWBIVSYNR

not attested not anchored not stored refs pending

Choosing Products in Social Networks

Krzysztof R. Apt, Sunil Simon

arxiv:1202.2209 v2 · 2012-02-10 · cs.SI · cs.GT · 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{YSKPKFHQZJ3X4JORJQWBIVSYNR}

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	2026-05-18T03:39:43.589767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c494f514f0ca777e25d14c2c1456586c66c59da8e4cb4b63c909685b79139b55

Aliases

arxiv: 1202.2209 · arxiv_version: 1202.2209v2 · doi: 10.48550/arxiv.1202.2209 · pith_short_12: YSKPKFHQZJ3X · pith_short_16: YSKPKFHQZJ3X4JOR · pith_short_8: YSKPKFHQ

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/YSKPKFHQZJ3X4JORJQWBIVSYNR \
  | 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: c494f514f0ca777e25d14c2c1456586c66c59da8e4cb4b63c909685b79139b55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2cac7b73ad44204d7bcb81752f74f0a38f91d5897cb9d4788de775e435a258c",
    "cross_cats_sorted": [
      "cs.GT",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2012-02-10T08:35:54Z",
    "title_canon_sha256": "6d2df57376b34d52ea5cef061436d161d5fb01954a2181d9ac45446c84bd444b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2209",
    "kind": "arxiv",
    "version": 2
  }
}