Pith Number

pith:BMHAWZW3

pith:2015:BMHAWZW3CXUZHRLPH5TZEC6TPT

not attested not anchored not stored refs pending

Software that Learns from its Own Failures

Martin Monperrus

arxiv:1502.00821 v1 · 2015-02-03 · 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{BMHAWZW3CXUZHRLPH5TZEC6TPT}

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	2026-05-18T02:28:04.193650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b0e0b66db15e993c56f3f67920bd37cfd849f74cabc5a7114175b54a38211f4

Aliases

arxiv: 1502.00821 · arxiv_version: 1502.00821v1 · doi: 10.48550/arxiv.1502.00821 · pith_short_12: BMHAWZW3CXUZ · pith_short_16: BMHAWZW3CXUZHRLP · pith_short_8: BMHAWZW3

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/BMHAWZW3CXUZHRLPH5TZEC6TPT \
  | 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: 0b0e0b66db15e993c56f3f67920bd37cfd849f74cabc5a7114175b54a38211f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d05a08f9be73f60d205c1505c247978410a53dd9950038a07cd501e5d6d021f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-02-03T11:39:05Z",
    "title_canon_sha256": "794fb19225476755dfc3645fbee7bc78bfd5b6eacb75ff1502bf92030cdf59e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00821",
    "kind": "arxiv",
    "version": 1
  }
}