Pith Number

pith:XSH4SYWL

pith:2015:XSH4SYWL7MTPLZUHTMGHFNI5WL

not attested not anchored not stored refs pending

Corrigendum: Recover the source and initial value simultaneously in a parabolic equation

Guang-Hui Zheng, Ting Wei

arxiv:1503.02820 v1 · 2015-03-10 · 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{XSH4SYWL7MTPLZUHTMGHFNI5WL}

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	2026-05-18T02:25:13.023191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc8fc962cbfb26f5e6879b0c72b51db2c6e8144237d35efd51ef3ce0ec33d50a

Aliases

arxiv: 1503.02820 · arxiv_version: 1503.02820v1 · doi: 10.48550/arxiv.1503.02820 · pith_short_12: XSH4SYWL7MTP · pith_short_16: XSH4SYWL7MTPLZUH · pith_short_8: XSH4SYWL

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/XSH4SYWL7MTPLZUHTMGHFNI5WL \
  | 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: bc8fc962cbfb26f5e6879b0c72b51db2c6e8144237d35efd51ef3ce0ec33d50a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72e0ba8fdf5739d7d254f0614c69b2f6e34851d716e03c55abb4b0070b048e61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-03-10T09:08:12Z",
    "title_canon_sha256": "d342a76a5b1cf0f0f53ed854d6aeacdc95c1afd31164aa6b1d1c6e1e2dd2c970"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02820",
    "kind": "arxiv",
    "version": 1
  }
}