Pith Number

pith:REYRTIGR

pith:2017:REYRTIGRD47GQAPOJTRNDR44IB

not attested not anchored not stored refs pending

First Integrals of Dynamical Systems And Their Numerical Preservation

M. U. Farooq, W. Irshad, Y. Habib

arxiv:1711.01934 v1 · 2017-11-02 · 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{REYRTIGRD47GQAPOJTRNDR44IB}

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	2026-05-18T00:31:16.521068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

893119a0d11f3e6801ee4ce2d1c79c406252842d572e910c7b9116aeba4a9da9

Aliases

arxiv: 1711.01934 · arxiv_version: 1711.01934v1 · doi: 10.48550/arxiv.1711.01934 · pith_short_12: REYRTIGRD47G · pith_short_16: REYRTIGRD47GQAPO · pith_short_8: REYRTIGR

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/REYRTIGRD47GQAPOJTRNDR44IB \
  | 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: 893119a0d11f3e6801ee4ce2d1c79c406252842d572e910c7b9116aeba4a9da9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b1b2fbf9cb0b3dc2bf6132f43767a583bad9f727caac73630a83daf6430f359",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-11-02T18:08:24Z",
    "title_canon_sha256": "230bc380c41d0845b0e7dceb119e14b3d487443964bfe38703263f532a88ac99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.01934",
    "kind": "arxiv",
    "version": 1
  }
}