Pith Number

pith:LY4UENMW

pith:1999:LY4UENMWQOPPYTDMHPHB5KODA3

not attested not anchored not stored refs pending

D branes in string theory,I

Antonella Liccardo, Paolo Di Vecchia

arxiv:hep-th/9912161 v1 · 1999-12-17 · 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{LY4UENMWQOPPYTDMHPHB5KODA3}

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	2026-05-18T04:24:15.236092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e39423596839efc4c6c3bce1ea9c306d7a1ee0132594c7b303a4bcb393d0cdb

Aliases

arxiv: hep-th/9912161 · arxiv_version: hep-th/9912161v1 · doi: 10.48550/arxiv.hep-th/9912161 · pith_short_12: LY4UENMWQOPP · pith_short_16: LY4UENMWQOPPYTDM · pith_short_8: LY4UENMW

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/LY4UENMWQOPPYTDMHPHB5KODA3 \
  | 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: 5e39423596839efc4c6c3bce1ea9c306d7a1ee0132594c7b303a4bcb393d0cdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "276d76da1258830be1b2ea5ad267b0effc66cbbf5531e0aca89b46c09c56ea44",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-12-17T18:01:16Z",
    "title_canon_sha256": "cc7836c296798efcbf2180e75a4fc80e58b641882939c97676619a27161e17af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9912161",
    "kind": "arxiv",
    "version": 1
  }
}