Pith Number

pith:C4R7YRFA

pith:2007:C4R7YRFAYAD3H3EBLTBOOVTJDP

not attested not anchored not stored refs pending

Nonlinear hyperbolic systems: Non-degenerate flux, inner speed variation, and graph solutions

Olivier Glass, Philippe G. LeFloch

arxiv:math/0701041 v1 · 2007-01-01 · math.AP · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C4R7YRFAYAD3H3EBLTBOOVTJDP}

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	2026-06-03T22:06:21.709759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1723fc44a0c007b3ec815cc2e756691bc16cabe168d4ad7bfabf74e0d128a5f4

Aliases

arxiv: math/0701041 · arxiv_version: math/0701041v1 · doi: 10.48550/arxiv.math/0701041 · pith_short_12: C4R7YRFAYAD3 · pith_short_16: C4R7YRFAYAD3H3EB · pith_short_8: C4R7YRFA

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/C4R7YRFAYAD3H3EBLTBOOVTJDP \
  | 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: 1723fc44a0c007b3ec815cc2e756691bc16cabe168d4ad7bfabf74e0d128a5f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b3c5ab5b4a4aa9989c9b3ff413df8c9bd58572ecb95b283a58e61eea14a07cf",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "",
    "primary_cat": "math.AP",
    "submitted_at": "2007-01-01T18:54:09Z",
    "title_canon_sha256": "59c4740056dd6b9ac324c2d2cd3ca7598d5ba28ddb0058a16482bcf2ca09543b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0701041",
    "kind": "arxiv",
    "version": 1
  }
}