Pith Number

pith:N7EEVCPS

pith:2012:N7EEVCPSFJ75VRXMJWFM6UXAO3

not attested not anchored not stored refs pending

Nonlinear steepest descent and the numerical solution of Riemann-Hilbert problems

Sheehan Olver, Thomas Trogdon

arxiv:1205.5604 v1 · 2012-05-25 · math.NA · math.FA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N7EEVCPSFJ75VRXMJWFM6UXAO3}

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	2026-05-18T02:21:09.576371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fc84a89f22a7fdac6ec4d8acf52e076ef4aa566785bf95d880068dbb0f03a8e

Aliases

arxiv: 1205.5604 · arxiv_version: 1205.5604v1 · doi: 10.48550/arxiv.1205.5604 · pith_short_12: N7EEVCPSFJ75 · pith_short_16: N7EEVCPSFJ75VRXM · pith_short_8: N7EEVCPS

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/N7EEVCPSFJ75VRXMJWFM6UXAO3 \
  | 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: 6fc84a89f22a7fdac6ec4d8acf52e076ef4aa566785bf95d880068dbb0f03a8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44ed8eb5af1283b0f878305d76247288bf11dfaa2c74c5f95855afed22919c98",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-05-25T02:17:05Z",
    "title_canon_sha256": "d90e5af39ef1a31214ae5610448456c252819f540283f4c37051e0625dac4bbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.5604",
    "kind": "arxiv",
    "version": 1
  }
}