Pith Number

pith:WMT43VUK

pith:2025:WMT43VUK26G4UP63C7TWSLSUBK

not attested not anchored not stored refs pending

Homotopies for Lagrangian field theory

Jonas Schnitzer, Michele Schiavina

arxiv:2508.00133 v3 · 2025-07-31 · math-ph · math.DG · math.MP · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WMT43VUK26G4UP63C7TWSLSUBK}

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	2026-07-21T02:21:20.350227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b327cdd68ad78dca3fdb17e7692e540a88693fe19ece7ccad262d97a7717047c

Aliases

arxiv: 2508.00133 · arxiv_version: 2508.00133v3 · doi: 10.48550/arxiv.2508.00133 · pith_short_12: WMT43VUK26G4 · pith_short_16: WMT43VUK26G4UP63 · pith_short_8: WMT43VUK

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/WMT43VUK26G4UP63C7TWSLSUBK \
  | 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: b327cdd68ad78dca3fdb17e7692e540a88693fe19ece7ccad262d97a7717047c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c11a7fabd92410de62c2508514ec70874cf98d28e304b6258ad5681e3c5cbe79",
    "cross_cats_sorted": [
      "math.DG",
      "math.MP",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2025-07-31T19:42:13Z",
    "title_canon_sha256": "2e754da8611a7b1b692e7410cefd86549f2b0fc8bad9cfa56ea80b525d7b67ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.00133",
    "kind": "arxiv",
    "version": 3
  }
}