Pith Number

pith:URPD7OA4

pith:2013:URPD7OA4TKDJY2NRG62PYYW4DS

not attested not anchored not stored refs pending

A multi-fidelity stochastic collocation method for parabolic PDEs with random input data

Maziar Raissi, Padmanabhan Seshaiyer

arxiv:1306.0554 v1 · 2013-06-01 · 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{URPD7OA4TKDJY2NRG62PYYW4DS}

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	2026-05-18T03:21:54.611408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a45e3fb81c9a869c69b137b4fc62dc1c944098071dd4e60658dbc3e8300112e1

Aliases

arxiv: 1306.0554 · arxiv_version: 1306.0554v1 · doi: 10.48550/arxiv.1306.0554 · pith_short_12: URPD7OA4TKDJ · pith_short_16: URPD7OA4TKDJY2NR · pith_short_8: URPD7OA4

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/URPD7OA4TKDJY2NRG62PYYW4DS \
  | 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: a45e3fb81c9a869c69b137b4fc62dc1c944098071dd4e60658dbc3e8300112e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf069dfff3295d9582f82d144344241a704d76fd624c96f50d8e3d1263ca87b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-06-01T17:54:45Z",
    "title_canon_sha256": "9ebf1d3106c43a8fac28a2fd2594e9aae28e7c0c3666cfa7508c732bc2d0c0cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.0554",
    "kind": "arxiv",
    "version": 1
  }
}