Pith Number

pith:EFFNJCMJ

pith:2019:EFFNJCMJMPA75FSY365RFOLC3B

not attested not anchored not stored refs pending

Torsors on loop groups and the Hitchin fibration

Alexis Bouthier, Kestutis Cesnavicius

arxiv:1908.07480 v4 · 2019-08-20 · math.AG · math.NT · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EFFNJCMJMPA75FSY365RFOLC3B}

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	2026-07-05T04:28:05.158204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

214ad4898963c1fe9658dfbb12b962d84eca0e73a60b0aa7864a99083cefcac1

Aliases

arxiv: 1908.07480 · arxiv_version: 1908.07480v4 · doi: 10.48550/arxiv.1908.07480 · pith_short_12: EFFNJCMJMPA7 · pith_short_16: EFFNJCMJMPA75FSY · pith_short_8: EFFNJCMJ

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/EFFNJCMJMPA75FSY365RFOLC3B \
  | 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: 214ad4898963c1fe9658dfbb12b962d84eca0e73a60b0aa7864a99083cefcac1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2c418d1e4f142e9721450fbce2ecb6b86d1ee00f6cf64280276115d01255895",
    "cross_cats_sorted": [
      "math.NT",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-08-20T16:34:23Z",
    "title_canon_sha256": "e945ea604b871368b13cd9ce285725b9586d412d82f2fe7b78f88d91a2fe720d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07480",
    "kind": "arxiv",
    "version": 4
  }
}