Pith Number

pith:3DQH5XQF

pith:2014:3DQH5XQF6A2UA2PNENFV2INPYM

not attested not anchored not stored refs pending

A drift approximation for parabolic PDEs with oblique boundary data

Damon Alexander, Inwon Kim

arxiv:1403.2778 v1 · 2014-03-11 · 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{3DQH5XQF6A2UA2PNENFV2INPYM}

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	2026-05-18T02:56:34.161775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8e07ede05f0354069ed234b5d21afc33d8b17b6dc78f47cfee637c2ac03341b

Aliases

arxiv: 1403.2778 · arxiv_version: 1403.2778v1 · doi: 10.48550/arxiv.1403.2778 · pith_short_12: 3DQH5XQF6A2U · pith_short_16: 3DQH5XQF6A2UA2PN · pith_short_8: 3DQH5XQF

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/3DQH5XQF6A2UA2PNENFV2INPYM \
  | 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: d8e07ede05f0354069ed234b5d21afc33d8b17b6dc78f47cfee637c2ac03341b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fa0fd9e5790736b8466008823dcdbf9b0a7b3cb62fcccf7231b1277d933f716",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-03-11T23:11:38Z",
    "title_canon_sha256": "f3b1dd692c35563834e7a0e30c976da2c500ca8f8d6b31db7cff6334decd3171"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2778",
    "kind": "arxiv",
    "version": 1
  }
}