Pith Number

pith:2R7C66DA

pith:2016:2R7C66DAXTYDWXBFA6NNSVRPJN

not attested not anchored not stored refs pending

A Two Dimensional Backward Heat Problem With Statistical Discrete Data

Dang Duc Trong, Nguyen Dang Minh, Nguyen Huy Tuan, To Duc Khanh

arxiv:1606.05463 v1 · 2016-06-17 · 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{2R7C66DAXTYDWXBFA6NNSVRPJN}

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	2026-05-18T01:12:19.519699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d47e2f7860bcf03b5c25079ad9562f4b6120c33b697b1a586928280f01015ebc

Aliases

arxiv: 1606.05463 · arxiv_version: 1606.05463v1 · doi: 10.48550/arxiv.1606.05463 · pith_short_12: 2R7C66DAXTYD · pith_short_16: 2R7C66DAXTYDWXBF · pith_short_8: 2R7C66DA

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/2R7C66DAXTYDWXBFA6NNSVRPJN \
  | 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: d47e2f7860bcf03b5c25079ad9562f4b6120c33b697b1a586928280f01015ebc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4895f4f6be9cd721c2426d1758bb18b98b2b83d656bc52395eeaa711bfa5a8af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-06-17T09:29:53Z",
    "title_canon_sha256": "0d2906af419eb76401047eaaca83b45c6936021ba9b4d3e3aa78fa140e7cbe62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.05463",
    "kind": "arxiv",
    "version": 1
  }
}