Pith Number

pith:FQL64SV3

pith:2026:FQL64SV34L7TZGQD6BDBS77ZAW

not attested not anchored not stored refs pending

Physics-informed token transformer methodology for nonlinear balance laws. I. Schwarzschild--Burgers fluid flows

Philippe G. LeFloch, Shuyang Xiang

arxiv:2607.23143 v1 · 2026-07-25 · math.NA · cs.NA · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQL64SV34L7TZGQD6BDBS77ZAW}

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	2026-07-28T01:22:09.303391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c17ee4abbe2ff3c9a03f046197ff905a83e875a010f8c1111b53298d0c45523

Aliases

arxiv: 2607.23143 · arxiv_version: 2607.23143v1 · doi: 10.48550/arxiv.2607.23143 · pith_short_12: FQL64SV34L7T · pith_short_16: FQL64SV34L7TZGQD · pith_short_8: FQL64SV3

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/FQL64SV34L7TZGQD6BDBS77ZAW \
  | 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: 2c17ee4abbe2ff3c9a03f046197ff905a83e875a010f8c1111b53298d0c45523

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d9122ae5efd2c838d0051845b17c826a98d6cdff178ac895dcead0b80e42f94",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-07-25T10:51:22Z",
    "title_canon_sha256": "c0c176c98cf83d1d6f6fd788f6662db0fb428ab8dd6048427b4ff7c971712622"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.23143",
    "kind": "arxiv",
    "version": 1
  }
}