Pith Number

pith:VMACN3F5

pith:2017:VMACN3F5NGCIXX7X6ZGO4A5OZ2

not attested not anchored not stored refs pending

Projective Superspaces in Practice

Sergio Luigi Cacciatori, Simone Noja

arxiv:1708.02820 v1 · 2017-08-09 · math.AG · 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{VMACN3F5NGCIXX7X6ZGO4A5OZ2}

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	2026-05-18T00:16:31.689872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab0026ecbd69848bdff7f64cee03aece842680fa360b47496235187a1976119d

Aliases

arxiv: 1708.02820 · arxiv_version: 1708.02820v1 · doi: 10.48550/arxiv.1708.02820 · pith_short_12: VMACN3F5NGCI · pith_short_16: VMACN3F5NGCIXX7X · pith_short_8: VMACN3F5

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/VMACN3F5NGCIXX7X6ZGO4A5OZ2 \
  | 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: ab0026ecbd69848bdff7f64cee03aece842680fa360b47496235187a1976119d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce38a2c7203e45426e5cd56169ac536db208ea111ad8ae7867c9ea53bcdf17a0",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-08-09T13:02:52Z",
    "title_canon_sha256": "60cbd69560ae5e0c8f08c5c9e22e44f39562bcce9cfa99b430e727ee85986766"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02820",
    "kind": "arxiv",
    "version": 1
  }
}