Pith Number

pith:MPKWYIBV

pith:2002:MPKWYIBVCVFOQ5R2DT2ZHNEAY2

not attested not anchored not stored refs pending

String theory: an update

Jan de Boer

arxiv:hep-th/0210224 v2 · 2002-10-23 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MPKWYIBVCVFOQ5R2DT2ZHNEAY2}

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	2026-05-18T01:38:49.179560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63d56c2035154ae8763a1cf593b480c69ac597f95e5feba51a3ad2afeca6f2b1

Aliases

arxiv: hep-th/0210224 · arxiv_version: hep-th/0210224v2 · doi: 10.48550/arxiv.hep-th/0210224 · pith_short_12: MPKWYIBVCVFO · pith_short_16: MPKWYIBVCVFOQ5R2 · pith_short_8: MPKWYIBV

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/MPKWYIBVCVFOQ5R2DT2ZHNEAY2 \
  | 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: 63d56c2035154ae8763a1cf593b480c69ac597f95e5feba51a3ad2afeca6f2b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d57fd05fd7864c199cec86a23dec4144e183662c3b1aeca4efcd1d604f95db38",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2002-10-23T13:23:12Z",
    "title_canon_sha256": "4d4e36662db67a66726b0d1e1e28f9fe0b424fd075b39a0b095beecc2bb88b26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0210224",
    "kind": "arxiv",
    "version": 2
  }
}