Pith Number

pith:4TCX5STC

pith:2018:4TCX5STCJROGRC7F7UALFJJE6Z

not attested not anchored not stored refs pending

Recovery of an embedded obstacle and the surrounding medium for Maxwell's system

Hongyu Liu, XiaoDong Liu, Youjun Deng

arxiv:1801.02008 v1 · 2018-01-06 · 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{4TCX5STCJROGRC7F7UALFJJE6Z}

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	2026-05-18T00:26:35.237580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4c57eca624c5c688be5fd00b2a524f6687cc0e8e2675487507a58c1c907463d

Aliases

arxiv: 1801.02008 · arxiv_version: 1801.02008v1 · doi: 10.48550/arxiv.1801.02008 · pith_short_12: 4TCX5STCJROG · pith_short_16: 4TCX5STCJROGRC7F · pith_short_8: 4TCX5STC

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/4TCX5STCJROGRC7F7UALFJJE6Z \
  | 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: e4c57eca624c5c688be5fd00b2a524f6687cc0e8e2675487507a58c1c907463d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95319fa9c564d8be55cd280205e922bf186c53a5c675cc2d7072d2bf000d5955",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-01-06T12:33:37Z",
    "title_canon_sha256": "7f31c46535cca623a526938c5d631e15f88696e09157c40f1d3bd90a0423dd2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02008",
    "kind": "arxiv",
    "version": 1
  }
}