Pith Number

pith:4LZBYXKI

pith:2017:4LZBYXKIFNYCD6ZBLQI6VOVJEX

not attested not anchored not stored refs pending

A Stabilized bi-grid method for Allen Cahn equation in Finite Elements

Clara Al Kosseifi, Hyam Abboud, Jean-Paul Chehab

arxiv:1707.09859 v1 · 2017-07-31 · 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{4LZBYXKIFNYCD6ZBLQI6VOVJEX}

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	2026-05-18T00:39:07.993588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2f21c5d482b7021fb215c11eabaa925fde2e67de0436053c437c6911623110e

Aliases

arxiv: 1707.09859 · arxiv_version: 1707.09859v1 · doi: 10.48550/arxiv.1707.09859 · pith_short_12: 4LZBYXKIFNYC · pith_short_16: 4LZBYXKIFNYCD6ZB · pith_short_8: 4LZBYXKI

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/4LZBYXKIFNYCD6ZBLQI6VOVJEX \
  | 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: e2f21c5d482b7021fb215c11eabaa925fde2e67de0436053c437c6911623110e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "556e4d6dfb92797457da4fdec724e77716e285a36cdb033ad3a5b44283fea481",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-07-31T14:24:59Z",
    "title_canon_sha256": "1209093deb9ba3a9e5a874e35341dd68b1a8689ca099a44be6fd18ff5f709501"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09859",
    "kind": "arxiv",
    "version": 1
  }
}