Pith Number

pith:ZQ2EGMID

pith:2010:ZQ2EGMIDHXEA5JH7RUKXYCNHNH

not attested not anchored not stored refs pending

Taming open/closed string duality with a Losev trick

Alessandro Tanzini, Andrea Prudenziati, Giulio Bonelli

arxiv:1003.2519 v2 · 2010-03-12 · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZQ2EGMIDHXEA5JH7RUKXYCNHNH}

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	2026-05-18T02:33:41.160097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc344331033dc80ea4ff8d157c09a769d85e135ff94679641c816b8deb2456cc

Aliases

arxiv: 1003.2519 · arxiv_version: 1003.2519v2 · doi: 10.48550/arxiv.1003.2519 · pith_short_12: ZQ2EGMIDHXEA · pith_short_16: ZQ2EGMIDHXEA5JH7 · pith_short_8: ZQ2EGMID

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/ZQ2EGMIDHXEA5JH7RUKXYCNHNH \
  | 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: cc344331033dc80ea4ff8d157c09a769d85e135ff94679641c816b8deb2456cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f0d56ab52a7a517aca442c2c783d422d6e7240c46278da7cfd47feba760f92f",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2010-03-12T11:15:49Z",
    "title_canon_sha256": "6ab3cac2c2ec86d18cf654fa151969810ce7f318cb45f45d90b54e0227252467"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.2519",
    "kind": "arxiv",
    "version": 2
  }
}