Pith Number

pith:XGSHL3GE

pith:2013:XGSHL3GEW3NQLIEZCFVA62B6HS

not attested not anchored not stored refs pending

Short lists with short programs in short time - a short proof

Marius Zimand

arxiv:1302.1109 v1 · 2013-02-05 · cs.CC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XGSHL3GEW3NQLIEZCFVA62B6HS}

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	2026-05-18T03:34:26.133932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9a475ecc4b6db05a099116a0f683e3c85c0947f330795d17f11fd2d4c57c58e

Aliases

arxiv: 1302.1109 · arxiv_version: 1302.1109v1 · doi: 10.48550/arxiv.1302.1109 · pith_short_12: XGSHL3GEW3NQ · pith_short_16: XGSHL3GEW3NQLIEZ · pith_short_8: XGSHL3GE

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/XGSHL3GEW3NQLIEZCFVA62B6HS \
  | 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: b9a475ecc4b6db05a099116a0f683e3c85c0947f330795d17f11fd2d4c57c58e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d58e2ac84e161bd40e489fe1f8f51430889570b4744cb7c71ee258d190ff0e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2013-02-05T16:45:59Z",
    "title_canon_sha256": "f97892289dd3dfe6cf86696f8e020fcca83ab99da14de5982148ea8554319e5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1109",
    "kind": "arxiv",
    "version": 1
  }
}