Pith Number

pith:WU6MBZUH

pith:2019:WU6MBZUH4HGZOBTIAPLFQCLMBU

not attested not anchored not stored refs pending

Luis Santal\'o and classical field theory

Gaston Giribet, Mariano Galvagno

arxiv:1908.02881 v2 · 2019-08-08 · physics.hist-ph · gr-qc · 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{WU6MBZUH4HGZOBTIAPLFQCLMBU}

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	2026-07-05T00:23:06.605301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b53cc0e687e1cd97066803d658096c0d33b68a3a241a09428a5c105c5da13022

Aliases

arxiv: 1908.02881 · arxiv_version: 1908.02881v2 · doi: 10.48550/arxiv.1908.02881 · pith_short_12: WU6MBZUH4HGZ · pith_short_16: WU6MBZUH4HGZOBTI · pith_short_8: WU6MBZUH

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/WU6MBZUH4HGZOBTIAPLFQCLMBU \
  | 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: b53cc0e687e1cd97066803d658096c0d33b68a3a241a09428a5c105c5da13022

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a089ea9e76e3ef0493529e1ebfe3803d6e49b976c76b13403e10afa6da9046ea",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2019-08-08T00:07:15Z",
    "title_canon_sha256": "3bae0a3b69060593b8d67e6a25346af19dcd14bcf5be8776e2e0b56e51be0e37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02881",
    "kind": "arxiv",
    "version": 2
  }
}