Pith Number

pith:FFSY453M

pith:2012:FFSY453MES5KOKVGD6T2QBQUTS

not attested not anchored not stored refs pending

Null Physical States in String Models

Charles B. Thorn

arxiv:1212.4429 v1 · 2012-12-18 · 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{FFSY453MES5KOKVGD6T2QBQUTS}

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	2026-05-18T01:52:30.892540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29658e776c24baa72aa61fa7a806149c94d97af9577345dc8f37726927ffda52

Aliases

arxiv: 1212.4429 · arxiv_version: 1212.4429v1 · doi: 10.48550/arxiv.1212.4429 · pith_short_12: FFSY453MES5K · pith_short_16: FFSY453MES5KOKVG · pith_short_8: FFSY453M

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/FFSY453MES5KOKVGD6T2QBQUTS \
  | 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: 29658e776c24baa72aa61fa7a806149c94d97af9577345dc8f37726927ffda52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fd38849741ae25f03f54467e612f48c6f3927588786052947c6490eee36cfc5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-12-18T17:07:09Z",
    "title_canon_sha256": "0909338e25ce59966e9303ec19d82d25bb352291631533b35d32f55ffdb2a6cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.4429",
    "kind": "arxiv",
    "version": 1
  }
}