Pith Number

pith:E4ZGOSDG

pith:2018:E4ZGOSDGSWBUQTQFJINYXQSX7Z

not attested not anchored not stored refs pending

Machines that test Software like Humans

Anurag Dwarakanath, Neville Dubash, Sanjay Podder

arxiv:1809.09455 v1 · 2018-09-25 · 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{E4ZGOSDGSWBUQTQFJINYXQSX7Z}

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	2026-05-18T00:04:53.273136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27326748669583484e054a1b8bc257fe58e0b9d0ab9798b1374d3eccf61e4f0e

Aliases

arxiv: 1809.09455 · arxiv_version: 1809.09455v1 · doi: 10.48550/arxiv.1809.09455 · pith_short_12: E4ZGOSDGSWBU · pith_short_16: E4ZGOSDGSWBUQTQF · pith_short_8: E4ZGOSDG

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/E4ZGOSDGSWBUQTQFJINYXQSX7Z \
  | 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: 27326748669583484e054a1b8bc257fe58e0b9d0ab9798b1374d3eccf61e4f0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0920dc4c4dede1eb39411b8f65004474c2993c682567e7de2c5b05c0bbaa623",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-09-25T13:16:36Z",
    "title_canon_sha256": "5e04fc8051009b1df12261f919f7cf9c53a5449eb49d6b9a6a0fdf89f4fe919a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09455",
    "kind": "arxiv",
    "version": 1
  }
}