Pith Number

pith:2NPMZ3XV

pith:2018:2NPMZ3XVT6XBDN4KW3LS342S6F

not attested not anchored not stored refs pending

Self-dual gravity via Hitchin's equations

Erick Chacon, Hugo Garcia-Compean

arxiv:1812.08962 v1 · 2018-12-21 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2NPMZ3XVT6XBDN4KW3LS342S6F}

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	2026-05-17T23:45:25.894905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d35ecceef59fae11b78ab6d72df352f17ed123336bf3617b41f1b4a517af3a98

Aliases

arxiv: 1812.08962 · arxiv_version: 1812.08962v1 · doi: 10.48550/arxiv.1812.08962 · pith_short_12: 2NPMZ3XVT6XB · pith_short_16: 2NPMZ3XVT6XBDN4K · pith_short_8: 2NPMZ3XV

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/2NPMZ3XVT6XBDN4KW3LS342S6F \
  | 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: d35ecceef59fae11b78ab6d72df352f17ed123336bf3617b41f1b4a517af3a98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5538b6aed5503afd4b76253a4935c27412680c8960961dd72ea832c6dfa3c28",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-12-21T06:07:37Z",
    "title_canon_sha256": "e8a856e327de7d9688afd347cd57964888f3933348a14751bd81dcc7e7a12e86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08962",
    "kind": "arxiv",
    "version": 1
  }
}