Pith Number

pith:PS3GEVKW

pith:2013:PS3GEVKWSNHSSTXZR3U2JQA5JI

not attested not anchored not stored refs pending

A Time-Dependent Dirichlet-Neumann Method for the Heat Equation

Bankim C. Mandal

arxiv:1311.2827 v3 · 2013-11-12 · math.AP · math.CA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PS3GEVKWSNHSSTXZR3U2JQA5JI}

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	2026-05-18T01:51:49.377037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cb6625556934f294ef98ee9a4c01d4a222a1ccb274394f216c126ca3a74d213

Aliases

arxiv: 1311.2827 · arxiv_version: 1311.2827v3 · doi: 10.48550/arxiv.1311.2827 · pith_short_12: PS3GEVKWSNHS · pith_short_16: PS3GEVKWSNHSSTXZ · pith_short_8: PS3GEVKW

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/PS3GEVKWSNHSSTXZR3U2JQA5JI \
  | 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: 7cb6625556934f294ef98ee9a4c01d4a222a1ccb274394f216c126ca3a74d213

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d258b3288f167a2a339297857944bb34dd67fa1ad4d9205f1d736189a1b614db",
    "cross_cats_sorted": [
      "math.CA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-11-12T16:20:21Z",
    "title_canon_sha256": "68a03244cd450e05eb2dda59c3c270134bbba3b9ef289db7d924012895037c1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2827",
    "kind": "arxiv",
    "version": 3
  }
}