Pith Number

pith:RI5H4V7K

pith:2019:RI5H4V7KJJJZQY36X5PRHH6AXQ

not attested not anchored not stored refs pending

More on Numbers and Graphs

Oliver Knill

arxiv:1905.13387 v1 · 2019-05-31 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RI5H4V7KJJJZQY36X5PRHH6AXQ}

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.

Cited by

1 paper in Pith

The energy of a simplicial complex

Receipt and verification

First computed	2026-05-17T23:44:35.060305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a3a7e57ea4a5398637ebf5f139fc0bc108f341981377e41a511cc5bc4e0304b

Aliases

arxiv: 1905.13387 · arxiv_version: 1905.13387v1 · doi: 10.48550/arxiv.1905.13387 · pith_short_12: RI5H4V7KJJJZ · pith_short_16: RI5H4V7KJJJZQY36 · pith_short_8: RI5H4V7K

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/RI5H4V7KJJJZQY36X5PRHH6AXQ \
  | 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: 8a3a7e57ea4a5398637ebf5f139fc0bc108f341981377e41a511cc5bc4e0304b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3af141f2eeb4612c5b93d45b58581a5bf41e9efeaeb7bf983884044c84def17f",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-05-31T02:44:51Z",
    "title_canon_sha256": "4003f262c22f9874ce3059a3f8e03d483b6d93161c82d1a23921d83c23e1cd70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.13387",
    "kind": "arxiv",
    "version": 1
  }
}