Pith Number

pith:RUTUOIH2

pith:2019:RUTUOIH2NCODQSG342TWGNVYYJ

not attested not anchored not stored refs pending

PySPH: a Python-based framework for smoothed particle hydrodynamics

Abhinav Muta, A Dinesh, Aditya Bhosale, Amal S Sebastian, Ananyo Sen, Anshuman Kumar, Arkopal Dutt, Arpit Agarwal, Chandrashekhar Kaushik, Deep Tavker, Dileep Menon, Kunal Puri, Mrinalgouda Patil, Pankaj Pandey, Pawan Negi, Prabhu Ramachandran, Rahul Govind, Rohan Kaushik, Suraj Sanka, Vikas Kurapati

arxiv:1909.04504 v3 · 2019-09-10 · physics.comp-ph · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RUTUOIH2NCODQSG342TWGNVYYJ}

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	2026-07-05T03:05:41.571619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d274720fa689c3848dbe6a76336b8c243c3655b0e89dd7672a43e311a97e6aa

Aliases

arxiv: 1909.04504 · arxiv_version: 1909.04504v3 · doi: 10.48550/arxiv.1909.04504 · pith_short_12: RUTUOIH2NCOD · pith_short_16: RUTUOIH2NCODQSG3 · pith_short_8: RUTUOIH2

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/RUTUOIH2NCODQSG342TWGNVYYJ \
  | 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: 8d274720fa689c3848dbe6a76336b8c243c3655b0e89dd7672a43e311a97e6aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e189f74327858ce6b0d712ba43c45d68a61cc39d3b172f2ef33ddc4092a3a0e1",
    "cross_cats_sorted": [
      "cs.MS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-09-10T14:11:27Z",
    "title_canon_sha256": "9e656abe26f2e911a821b78b0e7b3c22335011650cd391b647f0a0afee2fa39e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.04504",
    "kind": "arxiv",
    "version": 3
  }
}