Pith Number

pith:NCJ2F6PO

pith:2019:NCJ2F6POUJY2HGKH3CSRALE6DE

not attested not anchored not stored refs pending

An efficient, open source, iterative ISPH scheme

Abhinav Muta, Pawan Negi, Prabhu Ramachandran

arxiv:1908.01762 v2 · 2019-08-06 · math.NA · cs.NA · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NCJ2F6POUJY2HGKH3CSRALE6DE}

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	2026-07-05T02:37:39.919403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6893a2f9eea271a39947d8a5102c9e193ad5ee6b556a1c6492ad1fa32bb0ab48

Aliases

arxiv: 1908.01762 · arxiv_version: 1908.01762v2 · doi: 10.48550/arxiv.1908.01762 · pith_short_12: NCJ2F6POUJY2 · pith_short_16: NCJ2F6POUJY2HGKH · pith_short_8: NCJ2F6PO

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/NCJ2F6POUJY2HGKH3CSRALE6DE \
  | 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: 6893a2f9eea271a39947d8a5102c9e193ad5ee6b556a1c6492ad1fa32bb0ab48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c044e71c25165ce972677cd0b15482ca5542d649f73e4e8f0668a2a9b8e724a",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-08-06T15:06:02Z",
    "title_canon_sha256": "1ceaad1a607505ba6b10809c2447903ffb7861b3da459914963245165ca933b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01762",
    "kind": "arxiv",
    "version": 2
  }
}