Pith Number

pith:4M55NOHW

pith:2016:4M55NOHW6OAW2UOPCVC3V63DO5

not attested not anchored not stored refs pending

Implicit Linear Algebra and its Applications

H. Narayanan

arxiv:1609.07991 v1 · 2016-09-22 · math.GM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4M55NOHW6OAW2UOPCVC3V63DO5}

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	2026-05-18T01:03:54.729617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e33bd6b8f6f3816d51cf1545bafb63776401f781cd4fa8ee526342d28c5685e6

Aliases

arxiv: 1609.07991 · arxiv_version: 1609.07991v1 · doi: 10.48550/arxiv.1609.07991 · pith_short_12: 4M55NOHW6OAW · pith_short_16: 4M55NOHW6OAW2UOP · pith_short_8: 4M55NOHW

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/4M55NOHW6OAW2UOPCVC3V63DO5 \
  | 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: e33bd6b8f6f3816d51cf1545bafb63776401f781cd4fa8ee526342d28c5685e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68bd555024d238faa25237fc918943cf6424d3d7da0a00cf42b91d7d2cc4c6d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2016-09-22T17:15:15Z",
    "title_canon_sha256": "3f3840574f5adc8ee6074ba642e4fd2633495922ac12f74a8ebdf6594fa96931"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.07991",
    "kind": "arxiv",
    "version": 1
  }
}