Pith Number

pith:XFR7OA4S

pith:2013:XFR7OA4SIB5P6KBMDW7RNU2DID

not attested not anchored not stored refs pending

A cookbook of translating English to Xapi

Ladislau B\"ol\"oni

arxiv:1304.0715 v1 · 2013-03-31 · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XFR7OA4SIB5P6KBMDW7RNU2DID}

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	2026-05-18T03:29:14.538225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b963f70392407aff282c1dbf16d34340f4b5276d0f6c98146bf2683e22f3374b

Aliases

arxiv: 1304.0715 · arxiv_version: 1304.0715v1 · doi: 10.48550/arxiv.1304.0715 · pith_short_12: XFR7OA4SIB5P · pith_short_16: XFR7OA4SIB5P6KBM · pith_short_8: XFR7OA4S

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/XFR7OA4SIB5P6KBMDW7RNU2DID \
  | 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: b963f70392407aff282c1dbf16d34340f4b5276d0f6c98146bf2683e22f3374b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "951c2eeb38d3c98460365425be2fd1ff1ff7a6375bae5a6827cd19b07b5f209c",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-03-31T22:17:19Z",
    "title_canon_sha256": "343b20b854b900568091f36a655cebc2b43991fd20ff9af9bebf7229d0ec78ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0715",
    "kind": "arxiv",
    "version": 1
  }
}