Pith Number

pith:QA7KPJEZ

pith:2019:QA7KPJEZX6RCLM67MJMEKVZBSK

not attested not anchored not stored refs pending

Analysis and numerical simulation of the nonlinear beam equation with moving ends

Mauro Rincon, Natanael Quintino

arxiv:1907.02165 v1 · 2019-07-04 · math.NA · cs.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{QA7KPJEZX6RCLM67MJMEKVZBSK}

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	2026-05-17T23:41:29.583714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

803ea7a499bfa225b3df62584557219292611a7c595ae62e4b8bef907980d7ff

Aliases

arxiv: 1907.02165 · arxiv_version: 1907.02165v1 · doi: 10.48550/arxiv.1907.02165 · pith_short_12: QA7KPJEZX6RC · pith_short_16: QA7KPJEZX6RCLM67 · pith_short_8: QA7KPJEZ

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/QA7KPJEZX6RCLM67MJMEKVZBSK \
  | 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: 803ea7a499bfa225b3df62584557219292611a7c595ae62e4b8bef907980d7ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bb93db500a00df6b4941c1f0c5182c19083f75a34339e3b53744f115583a169",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-07-04T00:24:23Z",
    "title_canon_sha256": "d6c46da9364cdf7d2307f9a8584d77a24f841c448f58a43d2b1f9db3c0b6ad60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.02165",
    "kind": "arxiv",
    "version": 1
  }
}