Pith Number

pith:FHPMYDFR

pith:2014:FHPMYDFRHWULPUTV6J7IVD5IJR

not attested not anchored not stored refs pending

All Invariant Regions and Global Solutions for m-component Reaction-Diffusion Systems with a Tridiagonal Symmetric Toeplitz Matrix of Diffusion Coefficients

Salem Abdelmalek

arxiv:1411.2116 v1 · 2014-11-08 · 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{FHPMYDFRHWULPUTV6J7IVD5IJR}

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	2026-05-18T02:38:08.605567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29decc0cb13da8b7d275f27e8a8fa84c75522938ff853fce6f7b83bf602a1eac

Aliases

arxiv: 1411.2116 · arxiv_version: 1411.2116v1 · doi: 10.48550/arxiv.1411.2116 · pith_short_12: FHPMYDFRHWUL · pith_short_16: FHPMYDFRHWULPUTV · pith_short_8: FHPMYDFR

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/FHPMYDFRHWULPUTV6J7IVD5IJR \
  | 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: 29decc0cb13da8b7d275f27e8a8fa84c75522938ff853fce6f7b83bf602a1eac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc7039939d6e68629a7f32665e0c330d32a675c1ec85a6763d1e138f508c2119",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-11-08T13:05:39Z",
    "title_canon_sha256": "0f11354b11f434bd9ef24c76733817ca17a0e3fd71926cc3aed67345ff855639"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.2116",
    "kind": "arxiv",
    "version": 1
  }
}