Pith Number

pith:ZTHIM4IN

pith:2025:ZTHIM4INVI6CHORWJM2GPOMXJX

not attested not anchored not stored refs pending

The vanishing viscosity process for an eikonal equation in the radially symmetric setting

Fanchen Meng

arxiv:2508.13230 v1 · 2025-08-17 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZTHIM4INVI6CHORWJM2GPOMXJX}

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	2026-07-05T11:55:45.209311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccce86710daa3c23ba364b3467b9974dd77e74d2eef7127f3dbaf0ba16df3ed7

Aliases

arxiv: 2508.13230 · arxiv_version: 2508.13230v1 · doi: 10.48550/arxiv.2508.13230 · pith_short_12: ZTHIM4INVI6C · pith_short_16: ZTHIM4INVI6CHORW · pith_short_8: ZTHIM4IN

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/ZTHIM4INVI6CHORWJM2GPOMXJX \
  | 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: ccce86710daa3c23ba364b3467b9974dd77e74d2eef7127f3dbaf0ba16df3ed7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63a7d38eb7fd79369484555f4e703565800ae49fb5ebbbfc15e71c9c9ddf7f3f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2025-08-17T17:43:36Z",
    "title_canon_sha256": "9b4b872b0b84c0f7beff417279ef2ce09069d6a6ff5be4474a17cdbe6e471da0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.13230",
    "kind": "arxiv",
    "version": 1
  }
}