Pith Number

pith:EQNI3CYP

pith:2015:EQNI3CYPY5HPNAZWZ6LR2MD5XQ

not attested not anchored not stored refs pending

Approximate Span Programs

Stacey Jeffery, Tsuyoshi Ito

arxiv:1507.00432 v1 · 2015-07-02 · quant-ph · 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{EQNI3CYPY5HPNAZWZ6LR2MD5XQ}

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	2026-05-18T01:37:24.743020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

241a8d8b0fc74ef68336cf971d307dbc2e17e827170e835adb9a109835bb7d8d

Aliases

arxiv: 1507.00432 · arxiv_version: 1507.00432v1 · doi: 10.48550/arxiv.1507.00432 · pith_short_12: EQNI3CYPY5HP · pith_short_16: EQNI3CYPY5HPNAZW · pith_short_8: EQNI3CYP

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/EQNI3CYPY5HPNAZWZ6LR2MD5XQ \
  | 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: 241a8d8b0fc74ef68336cf971d307dbc2e17e827170e835adb9a109835bb7d8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be1d8f9ae98a89ffede9222d9acd448d584246dfb9dfd972044450232b713381",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-07-02T05:45:53Z",
    "title_canon_sha256": "6243eb6b4d1c446ffc18b545b52c6d09f27e30c249184e01c0f8dade7798aecf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00432",
    "kind": "arxiv",
    "version": 1
  }
}