Pith Number

pith:PQN3X5XJ

pith:1999:PQN3X5XJQFWZ45SECPVHCSCU3X

not attested not anchored not stored refs pending

Limits of the D-brane action

Aleksandr Zheltukhin (Stockholm U., Kharkov IPT), Maxim Zabzine (Stockholm U.), Ulf Lindstrom

arxiv:hep-th/9910159 v3 · 1999-10-20 · 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{PQN3X5XJQFWZ45SECPVHCSCU3X}

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	2026-05-18T01:05:54.788732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c1bbbf6e9816d9e764413ea714854ddf4b0639a8afe05baed62a2a937c7c4e1

Aliases

arxiv: hep-th/9910159 · arxiv_version: hep-th/9910159v3 · doi: 10.48550/arxiv.hep-th/9910159 · pith_short_12: PQN3X5XJQFWZ · pith_short_16: PQN3X5XJQFWZ45SE · pith_short_8: PQN3X5XJ

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/PQN3X5XJQFWZ45SECPVHCSCU3X \
  | 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: 7c1bbbf6e9816d9e764413ea714854ddf4b0639a8afe05baed62a2a937c7c4e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a880b95ae48aa02ea83e69a1ffaa89c07590b7a1b105c8cf2a583315b33b2123",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-10-20T09:59:22Z",
    "title_canon_sha256": "d8dd593cea7d7bea9880025e290b8e9d678675e8f1a2b2eff0eb8b685e0a1ab7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9910159",
    "kind": "arxiv",
    "version": 3
  }
}