Pith Number

pith:7XMJEYAH

pith:2012:7XMJEYAHRXUZDET2YSSVHTLRV4

not attested not anchored not stored refs pending

A C++11 implementation of arbitrary-rank tensors for high-performance computing

Alejandro M. Arag\'on

arxiv:1209.1003 v5 · 2012-09-05 · 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{7XMJEYAHRXUZDET2YSSVHTLRV4}

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	2026-05-18T02:50:50.667836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdd89260078de991927ac4a553cd71af1399f645d6edc0feb9e5ba9947028961

Aliases

arxiv: 1209.1003 · arxiv_version: 1209.1003v5 · doi: 10.48550/arxiv.1209.1003 · pith_short_12: 7XMJEYAHRXUZ · pith_short_16: 7XMJEYAHRXUZDET2 · pith_short_8: 7XMJEYAH

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/7XMJEYAHRXUZDET2YSSVHTLRV4 \
  | 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: fdd89260078de991927ac4a553cd71af1399f645d6edc0feb9e5ba9947028961

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a3522d8db2c276bd1559f1017446ce8f4f0d4e1bf5b6b8de060b05117975124",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2012-09-05T14:58:51Z",
    "title_canon_sha256": "c55dd7a053c76f662d08cbca0c9f4a0baa064ba303720ebc4684845cf8f785be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.1003",
    "kind": "arxiv",
    "version": 5
  }
}