Pith Number

pith:POF3Y4XT

pith:2016:POF3Y4XT4U2IBLVHA5ZSEBHUBF

not attested not anchored not stored refs pending

Cahn-Hilliard on Surfaces: A Numerical Study

David Salac, Prerna Gera

arxiv:1612.00769 v2 · 2016-12-02 · 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{POF3Y4XT4U2IBLVHA5ZSEBHUBF}

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	2026-05-18T00:49:57.879242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b8bbc72f3e53480aea707732204f4095f73d52c24603c26620a02338de751a8

Aliases

arxiv: 1612.00769 · arxiv_version: 1612.00769v2 · doi: 10.48550/arxiv.1612.00769 · pith_short_12: POF3Y4XT4U2I · pith_short_16: POF3Y4XT4U2IBLVH · pith_short_8: POF3Y4XT

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/POF3Y4XT4U2IBLVHA5ZSEBHUBF \
  | 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: 7b8bbc72f3e53480aea707732204f4095f73d52c24603c26620a02338de751a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19f92a28c108bd210154f4410d0f1ed05b1ec023b55d49384cd3775087326293",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-12-02T17:45:32Z",
    "title_canon_sha256": "3253a6e02ea6d76964862de45ef0f7c8455c4d5c4d4063e29c1e17c52d4451bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.00769",
    "kind": "arxiv",
    "version": 2
  }
}