Pith Number

pith:7EPLQWJK

pith:2007:7EPLQWJK2JWEUTUR5OAOIKJTLG

not attested not anchored not stored refs pending

Materializing Superghosts

Andrei Losev, Dmitry Krotov, Victor Alexandrov, Vyacheslav Lysov

arxiv:0707.1906 v1 · 2007-07-13 · hep-th · math-ph · math.MP · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7EPLQWJK2JWEUTUR5OAOIKJTLG}

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	2026-07-04T15:41:54.180873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f91eb8592ad26c4a4e91eb80e429335983dc62f5c9476d92834e33264966ffaf

Aliases

arxiv: 0707.1906 · arxiv_version: 0707.1906v1 · doi: 10.48550/arxiv.0707.1906 · pith_short_12: 7EPLQWJK2JWE · pith_short_16: 7EPLQWJK2JWEUTUR · pith_short_8: 7EPLQWJK

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/7EPLQWJK2JWEUTUR5OAOIKJTLG \
  | 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: f91eb8592ad26c4a4e91eb80e429335983dc62f5c9476d92834e33264966ffaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b8947fe62a249c9492db618b6abe4eb913d9b9e0c0b2abb9d36101810f3105e",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.QA"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2007-07-13T17:10:27Z",
    "title_canon_sha256": "52fcd12edb702d3be9f7fd97d9e72bf038672e526c46b8c205cfc3d6cea63e19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.1906",
    "kind": "arxiv",
    "version": 1
  }
}