Pith Number

pith:467FLP4V

pith:2018:467FLP4V7NGZ3NR6DIGQNRZNTA

not attested not anchored not stored refs pending

Uses of Sigma Models

Ulf Lindstr\"om

arxiv:1803.08873 v1 · 2018-03-23 · hep-th · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{467FLP4V7NGZ3NR6DIGQNRZNTA}

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	2026-05-18T00:20:18.333510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7be55bf95fb4d9db63e1a0d06c72d9830fffa58be79d471aa86fe2a84f62cd3

Aliases

arxiv: 1803.08873 · arxiv_version: 1803.08873v1 · doi: 10.48550/arxiv.1803.08873 · pith_short_12: 467FLP4V7NGZ · pith_short_16: 467FLP4V7NGZ3NR6 · pith_short_8: 467FLP4V

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/467FLP4V7NGZ3NR6DIGQNRZNTA \
  | 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: e7be55bf95fb4d9db63e1a0d06c72d9830fffa58be79d471aa86fe2a84f62cd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4e2577886bbcdd4505f1d232f75936d692377d512235f42453c584816ba6535",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-03-23T16:40:06Z",
    "title_canon_sha256": "de648b5fcdb5fcc4434a64b8b8ba56dcef1c95bad44023be1471b12a703ac8e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08873",
    "kind": "arxiv",
    "version": 1
  }
}