Pith Number

pith:5FOR4SCR

pith:2012:5FOR4SCR3SQF3D6E6PA64PRIA5

not attested not anchored not stored refs pending

Normal matrix compressions

John Holbrook, Nishan Mudalige, Rajesh Pereira

arxiv:1203.3908 v2 · 2012-03-18 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5FOR4SCR3SQF3D6E6PA64PRIA5}

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	2026-05-18T03:59:15.407354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e95d1e4851dca05d8fc4f3c1ee3e28076b94160893ce8951fb2826730b145157

Aliases

arxiv: 1203.3908 · arxiv_version: 1203.3908v2 · doi: 10.48550/arxiv.1203.3908 · pith_short_12: 5FOR4SCR3SQF · pith_short_16: 5FOR4SCR3SQF3D6E · pith_short_8: 5FOR4SCR

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/5FOR4SCR3SQF3D6E6PA64PRIA5 \
  | 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: e95d1e4851dca05d8fc4f3c1ee3e28076b94160893ce8951fb2826730b145157

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb2aff76097c73880e02a0582450ba6c236911664ef64861042569ef443c3fc5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2012-03-18T01:05:26Z",
    "title_canon_sha256": "4c49afec82645ef469cfadd64d1ee594fb30b93e1a7bd1e867534ae198158a94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3908",
    "kind": "arxiv",
    "version": 2
  }
}