Pith Number

pith:NH6UN3OD

pith:2021:NH6UN3ODJWIJTIJM5CTKSM3277

not attested not anchored not stored refs pending

A new symmetric hyperbolic formulation and the local Cauchy problem for the Einstein--Yang--Mills system in the temporal gauge

Chao Liu, Jinhua Wang

arxiv:2111.04540 v2 · 2021-11-08 · gr-qc · math-ph · math.AP · math.DG · 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{NH6UN3ODJWIJTIJM5CTKSM3277}

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	2026-07-05T03:31:32.338452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69fd46edc34d9099a12ce8a6a9337affefde574e4ecaf21229ac28bfb095b091

Aliases

arxiv: 2111.04540 · arxiv_version: 2111.04540v2 · doi: 10.48550/arxiv.2111.04540 · pith_short_12: NH6UN3ODJWIJ · pith_short_16: NH6UN3ODJWIJTIJM · pith_short_8: NH6UN3OD

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/NH6UN3ODJWIJTIJM5CTKSM3277 \
  | 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: 69fd46edc34d9099a12ce8a6a9337affefde574e4ecaf21229ac28bfb095b091

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39e4dbd0afc215b667ea55c5d5fd9d30b2e111a91173984b07bb8989d6548ce3",
    "cross_cats_sorted": [
      "math-ph",
      "math.AP",
      "math.DG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-11-08T14:38:04Z",
    "title_canon_sha256": "11869e3d4756223d91e74612fc8b5498fdaa3e61975977ab04cf9cae20a4b6d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.04540",
    "kind": "arxiv",
    "version": 2
  }
}