Pith Number

pith:7F5BVZCA

pith:2010:7F5BVZCAIVGNEJGPPUR2ZNFFMH

not attested not anchored not stored refs pending

A system for coarse-grained location-based synchronisation

Andr\'e Coelho, Hugo Ribeiro, M\'ario Silva, Rui Jos\'e

arxiv:1011.5435 v1 · 2010-11-24 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7F5BVZCAIVGNEJGPPUR2ZNFFMH}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T04:34:47.296843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f97a1ae440454cd224cf7d23acb4a561f37e3133438e5c7dfbb2f0fa202f5dee

Aliases

arxiv: 1011.5435 · arxiv_version: 1011.5435v1 · doi: 10.48550/arxiv.1011.5435 · pith_short_12: 7F5BVZCAIVGN · pith_short_16: 7F5BVZCAIVGNEJGP · pith_short_8: 7F5BVZCA

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/7F5BVZCAIVGNEJGPPUR2ZNFFMH \
  | 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: f97a1ae440454cd224cf7d23acb4a561f37e3133438e5c7dfbb2f0fa202f5dee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04ff6cecc02ffe6917e34bd075cdba5dae3c29974be855ad61defc0a6e47d47e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2010-11-24T17:25:07Z",
    "title_canon_sha256": "d695a622bc4ed5bfdfe2f45272d89634c972d054e403d7c116daabc1e45bb59d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.5435",
    "kind": "arxiv",
    "version": 1
  }
}