Pith Number

pith:WW4CTGST

pith:2015:WW4CTGSTS4DG2BWXUIZWWY2NQ5

not attested not anchored not stored refs pending

Assisted Coverage Closure

Adam Nellis, Daniel Kroening, Michael Tautschnig, Pascal Kesseli, Peter Schrammel, Philippa Ryan Conmy

arxiv:1509.04587 v1 · 2015-09-15 · 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{WW4CTGSTS4DG2BWXUIZWWY2NQ5}

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	2026-05-18T01:32:58.473952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5b8299a5397066d06d7a2336b634d875c239b5b651dd8c8f3b8cb2bd5935500

Aliases

arxiv: 1509.04587 · arxiv_version: 1509.04587v1 · doi: 10.48550/arxiv.1509.04587 · pith_short_12: WW4CTGSTS4DG · pith_short_16: WW4CTGSTS4DG2BWX · pith_short_8: WW4CTGST

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/WW4CTGSTS4DG2BWXUIZWWY2NQ5 \
  | 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: b5b8299a5397066d06d7a2336b634d875c239b5b651dd8c8f3b8cb2bd5935500

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0505e475bcf259b7416b084cd5581327790ce1fbb071fe56108d8204fcf84890",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-09-15T14:49:04Z",
    "title_canon_sha256": "12261aa9bc6a8bf0934e12c1dbdba1ba2757a71b1840e20d771ad8c2dde82ef6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04587",
    "kind": "arxiv",
    "version": 1
  }
}