Pith Number

pith:UDP33F5R

pith:2017:UDP33F5R4IZHMTFLJWZQNFPC52

not attested not anchored not stored refs pending

On the Inverse of Forward Adjacency Matrix

(2) Indian Institute of Science), L. Satish (2) ((1) National University of Singapore, Pritam Mukherjee (1)

arxiv:1711.09216 v2 · 2017-11-25 · 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{UDP33F5R4IZHMTFLJWZQNFPC52}

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	2026-05-18T00:21:56.713330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0dfbd97b1e232764cab4db30695e2eea21c181cdc626bfd8e9bd54363dd6553

Aliases

arxiv: 1711.09216 · arxiv_version: 1711.09216v2 · doi: 10.48550/arxiv.1711.09216 · pith_short_12: UDP33F5R4IZH · pith_short_16: UDP33F5R4IZHMTFL · pith_short_8: UDP33F5R

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/UDP33F5R4IZHMTFLJWZQNFPC52 \
  | 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: a0dfbd97b1e232764cab4db30695e2eea21c181cdc626bfd8e9bd54363dd6553

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efe12b7e5a51701cb02ae2d1b9415fbeb9d944cb4459817df47b6c39e77019c4",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-11-25T08:31:44Z",
    "title_canon_sha256": "10d0a03327eb49b4d773da297741a639b1d2cf419b77e835dd3d571ac3be0753"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09216",
    "kind": "arxiv",
    "version": 2
  }
}