Pith Number

pith:YIF3NYMI

pith:2018:YIF3NYMIXI7MJNZ4B6TS5AHHE2

not attested not anchored not stored refs pending

The role of PSL(2,7) in M-theory: M2-branes, Englert equation and the septuples

Bianca Letizia Cerchiai, Mario Trigiante, Pietro Fr\'e

arxiv:1812.11049 v2 · 2018-12-21 · 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{YIF3NYMIXI7MJNZ4B6TS5AHHE2}

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	2026-05-17T23:45:31.308725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c20bb6e188ba3ec4b73c0fa72e80e726a62dfdc473ecf319fca05d7b5f1eb9e7

Aliases

arxiv: 1812.11049 · arxiv_version: 1812.11049v2 · doi: 10.48550/arxiv.1812.11049 · pith_short_12: YIF3NYMIXI7M · pith_short_16: YIF3NYMIXI7MJNZ4 · pith_short_8: YIF3NYMI

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/YIF3NYMIXI7MJNZ4B6TS5AHHE2 \
  | 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: c20bb6e188ba3ec4b73c0fa72e80e726a62dfdc473ecf319fca05d7b5f1eb9e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7997d01e770006b42a3a665bf9c1aaf2f99f22c60aa391806d0c56a6a1d37328",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-12-21T19:40:36Z",
    "title_canon_sha256": "10965409b09a1c0ca04455081908039283ba4725f8d6436a3275cb0fdc7a638c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11049",
    "kind": "arxiv",
    "version": 2
  }
}