Pith Number

pith:HLU3FTDB

pith:2018:HLU3FTDB6FXKLZ2E4CWJNBM3GI

not attested not anchored not stored refs pending

Replication studies considered harmful

Martin Shepperd

arxiv:1802.04580 v1 · 2018-02-13 · 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{HLU3FTDB6FXKLZ2E4CWJNBM3GI}

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	2026-05-18T00:23:42.053457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ae9b2cc61f16ea5e744e0ac96859b3204426a11aea32fd64e168e6bc25d7778

Aliases

arxiv: 1802.04580 · arxiv_version: 1802.04580v1 · doi: 10.48550/arxiv.1802.04580 · pith_short_12: HLU3FTDB6FXK · pith_short_16: HLU3FTDB6FXKLZ2E · pith_short_8: HLU3FTDB

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/HLU3FTDB6FXKLZ2E4CWJNBM3GI \
  | 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: 3ae9b2cc61f16ea5e744e0ac96859b3204426a11aea32fd64e168e6bc25d7778

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "658d1cdd24310245a0bf6ede1070a4c4c95d6e34632bb840b81f7d78b66f8b6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-02-13T12:12:09Z",
    "title_canon_sha256": "ddd46b8070e4043d2bc64293f0f1bb6e59881247818466561448c17a5633dd19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04580",
    "kind": "arxiv",
    "version": 1
  }
}