Pith Number

pith:YSKFJRYT

pith:2013:YSKFJRYT3E4BSTDXUDQQPZKWMT

not attested not anchored not stored refs pending

Evolution PDEs and augmented eigenfunctions. Finite interval

Athanassios S. Fokas, David Andrew Smith

arxiv:1303.2205 v3 · 2013-03-09 · math.SP · 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{YSKFJRYT3E4BSTDXUDQQPZKWMT}

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	2026-05-18T01:21:23.712076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c49454c713d938194c77a0e107e55664e2c1ec58e1e764e52a19afcd93db6839

Aliases

arxiv: 1303.2205 · arxiv_version: 1303.2205v3 · doi: 10.48550/arxiv.1303.2205 · pith_short_12: YSKFJRYT3E4B · pith_short_16: YSKFJRYT3E4BSTDX · pith_short_8: YSKFJRYT

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/YSKFJRYT3E4BSTDXUDQQPZKWMT \
  | 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: c49454c713d938194c77a0e107e55664e2c1ec58e1e764e52a19afcd93db6839

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a16e3c63e5b2521da54d1cb4a6934cffdde45855c038da65fcb014a1a7320507",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2013-03-09T12:47:50Z",
    "title_canon_sha256": "a62f91a9d50b53497a2594da11a5ea6b74ca4a978efea1f3f8a21d651bdb9a75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2205",
    "kind": "arxiv",
    "version": 3
  }
}