Pith Number

pith:QF4MFD4P

pith:2013:QF4MFD4PRQ44FXRIEQMKIHQJ3T

not attested not anchored not stored refs pending

SL(2,R)-geometric phase space and (2+2)-dimensions

E. A. Leon, E. R. Estrada, J. A. Nieto, J. Tellez, R. Flores

arxiv:1306.5840 v1 · 2013-06-25 · 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{QF4MFD4PRQ44FXRIEQMKIHQJ3T}

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	2026-05-18T03:19:58.396479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8178c28f8f8c39c2de282418a41e09dccff4d2859e8af1ebe6dd048eb35fb16f

Aliases

arxiv: 1306.5840 · arxiv_version: 1306.5840v1 · doi: 10.48550/arxiv.1306.5840 · pith_short_12: QF4MFD4PRQ44 · pith_short_16: QF4MFD4PRQ44FXRI · pith_short_8: QF4MFD4P

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/QF4MFD4PRQ44FXRIEQMKIHQJ3T \
  | 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: 8178c28f8f8c39c2de282418a41e09dccff4d2859e8af1ebe6dd048eb35fb16f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ed1d174153e305ebe579f38946363912187d7d68dbfbf2e21088e6ce7cb8b2e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-06-25T03:18:01Z",
    "title_canon_sha256": "f90573f75841c85e83601460fba96ea3ecc48434972191e437d4632f289ca07d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5840",
    "kind": "arxiv",
    "version": 1
  }
}