Pith Number

pith:NPF6MCYF

pith:2016:NPF6MCYF6YUOCQO2LSAHXCP4HH

not attested not anchored not stored refs pending

Why geometric integration?

A. Iserles, G.R.W. Quispel

arxiv:1602.07755 v1 · 2016-02-25 · 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{NPF6MCYF6YUOCQO2LSAHXCP4HH}

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	2026-05-18T01:20:00.424523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bcbe60b05f628e141da5c807b89fc39f8caa0c7f86a776360b543fa38c72136

Aliases

arxiv: 1602.07755 · arxiv_version: 1602.07755v1 · doi: 10.48550/arxiv.1602.07755 · pith_short_12: NPF6MCYF6YUO · pith_short_16: NPF6MCYF6YUOCQO2 · pith_short_8: NPF6MCYF

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/NPF6MCYF6YUOCQO2LSAHXCP4HH \
  | 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: 6bcbe60b05f628e141da5c807b89fc39f8caa0c7f86a776360b543fa38c72136

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdcf3ef6d674834a0fab0d473b4a24f436fd95721dd8a3cd5ba457d10eaddac5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-02-25T00:06:12Z",
    "title_canon_sha256": "774dc5b4572446d661e4fc7eb6c9a4819d4e8fd8188bf1ffa2a626d38017ae71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.07755",
    "kind": "arxiv",
    "version": 1
  }
}