Pith Number

pith:HB4WU3DR

pith:2012:HB4WU3DRWS423LFCA5XXNGKFIV

not attested not anchored not stored refs pending

Friends FTW! Friendship, Collaboration and Competition in Halo: Reach

Aaron Clauset, Winter Mason

arxiv:1203.2268 v2 · 2012-03-10 · cs.SI · cs.CY · cs.HC · 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{HB4WU3DRWS423LFCA5XXNGKFIV}

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	2026-05-18T03:32:31.867582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38796a6c71b4b9adaca2076f7699454548adfd58623ef4584aef9dec65ccda2f

Aliases

arxiv: 1203.2268 · arxiv_version: 1203.2268v2 · doi: 10.48550/arxiv.1203.2268 · pith_short_12: HB4WU3DRWS42 · pith_short_16: HB4WU3DRWS423LFC · pith_short_8: HB4WU3DR

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/HB4WU3DRWS423LFCA5XXNGKFIV \
  | 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: 38796a6c71b4b9adaca2076f7699454548adfd58623ef4584aef9dec65ccda2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "702426c9a49fc3e0a2389005af6e703ad8c012a0afb377aa3ecb2be2a9d08301",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.HC",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2012-03-10T17:31:47Z",
    "title_canon_sha256": "4bd62b1b79a0a41046b136fe79d818b166fa601cb9b52ffbedc9fec6606f0c07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2268",
    "kind": "arxiv",
    "version": 2
  }
}