Pith Number

pith:QIW6DGIK

pith:2012:QIW6DGIKHEFKZ6W6T37HTXH62D

not attested not anchored not stored refs pending

Coalesced communication: a design pattern for complex parallel scientific software

Derek Groen, Hywel B. Carver, James Hetherington, Miguel O. Bernabeu, Peter V. Coveney, Rupert W. Nash

arxiv:1210.4400 v1 · 2012-10-16 · cs.DC · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QIW6DGIKHEFKZ6W6T37HTXH62D}

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	2026-05-18T03:43:06.071370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

822de1990a390aacfade9efe79dcfed0c7b9039e68bfab474e1110c6563a47d2

Aliases

arxiv: 1210.4400 · arxiv_version: 1210.4400v1 · doi: 10.48550/arxiv.1210.4400 · pith_short_12: QIW6DGIKHEFK · pith_short_16: QIW6DGIKHEFKZ6W6 · pith_short_8: QIW6DGIK

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/QIW6DGIKHEFKZ6W6T37HTXH62D \
  | 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: 822de1990a390aacfade9efe79dcfed0c7b9039e68bfab474e1110c6563a47d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38b07c514f3be6dc38a6d3def14e67c6c6a416494f82244f552728a5009ea9a4",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2012-10-16T13:39:30Z",
    "title_canon_sha256": "461d86a29600f97c5553db747a2969459e63b97fcabc9438500fe9b0c21e6ef4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4400",
    "kind": "arxiv",
    "version": 1
  }
}