Pith Number

pith:4QVWTJND

pith:2010:4QVWTJNDQDVTR2V65YSD5RPIIE

not attested not anchored not stored refs pending

Contracting the Facebook API

Ben Rubinger, Tevfik Bultan

arxiv:1009.3715 v1 · 2010-09-20 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4QVWTJNDQDVTR2V65YSD5RPIIE}

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	2026-05-18T04:40:44.035470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e42b69a5a380eb38eabeee243ec5e8410abfc442bdd3deb9cfa1cc3b05264f92

Aliases

arxiv: 1009.3715 · arxiv_version: 1009.3715v1 · doi: 10.48550/arxiv.1009.3715 · pith_short_12: 4QVWTJNDQDVT · pith_short_16: 4QVWTJNDQDVTR2V6 · pith_short_8: 4QVWTJND

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/4QVWTJNDQDVTR2V65YSD5RPIIE \
  | 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: e42b69a5a380eb38eabeee243ec5e8410abfc442bdd3deb9cfa1cc3b05264f92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2115fe0a88c25982b19cb63688f6e7cff5260eed1f823f78f3f3a493e86cf302",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2010-09-20T07:19:53Z",
    "title_canon_sha256": "04dc3c899c94be2e8dae05adbb2b5401456e4bac6b3f90b42ac90f9b7119752f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.3715",
    "kind": "arxiv",
    "version": 1
  }
}