Pith Number

pith:P4O2COBV

pith:2011:P4O2COBV4RJFPJVUPHN2DH5EEI

not attested not anchored not stored refs pending

Perspicuity and Granularity in Refinement

Eerke Boiten (School of Computing, University of Kent)

arxiv:1106.4099 v1 · 2011-06-21 · 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{P4O2COBV4RJFPJVUPHN2DH5EEI}

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	2026-05-18T04:19:40.713968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f1da13835e45257a6b479dba19fa4221f56b40fc706d6464b9d080f15cb4822

Aliases

arxiv: 1106.4099 · arxiv_version: 1106.4099v1 · doi: 10.48550/arxiv.1106.4099 · pith_short_12: P4O2COBV4RJF · pith_short_16: P4O2COBV4RJFPJVU · pith_short_8: P4O2COBV

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/P4O2COBV4RJFPJVUPHN2DH5EEI \
  | 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: 7f1da13835e45257a6b479dba19fa4221f56b40fc706d6464b9d080f15cb4822

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "859c3b8cbae0078c5c1786ebe038ee952f7a775c094ceb08d193c32e07006451",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2011-06-21T05:25:23Z",
    "title_canon_sha256": "9f6c42c4f090c788acc4378577b04d7e8a9d980fbf452c0179e02701e4e13038"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.4099",
    "kind": "arxiv",
    "version": 1
  }
}