Pith Number

pith:YSU45ZAF

pith:2015:YSU45ZAFS4NLGJ7JVP32UIRKSK

not attested not anchored not stored refs pending

Existence results for linear evolution equations of parabolic type

Ton Viet Ta

arxiv:1505.01252 v2 · 2015-05-06 · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YSU45ZAFS4NLGJ7JVP32UIRKSK}

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	2026-05-18T00:46:26.585015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4a9cee405971ab327e9abf7aa222a92a4c435623ae65f8b2512a22a7c080f6c

Aliases

arxiv: 1505.01252 · arxiv_version: 1505.01252v2 · doi: 10.48550/arxiv.1505.01252 · pith_short_12: YSU45ZAFS4NL · pith_short_16: YSU45ZAFS4NLGJ7J · pith_short_8: YSU45ZAF

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/YSU45ZAFS4NLGJ7JVP32UIRKSK \
  | 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: c4a9cee405971ab327e9abf7aa222a92a4c435623ae65f8b2512a22a7c080f6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cedac464a1259ffc3d40b397ff350bbc9ef7db77b965807555a5ace7dc2a20b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2015-05-06T04:53:57Z",
    "title_canon_sha256": "34934fd2804cdf05c4f3823978d26f0b311327b228896680d3afb5c3f47f059c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01252",
    "kind": "arxiv",
    "version": 2
  }
}