Pith Number

pith:RTLMHNUH

pith:2019:RTLMHNUHGFFJV7VGBUALQ3RAM6

not attested not anchored not stored refs pending

Optimization over Degree Sequences of Graphs

Gabriel Deza, Shmuel Onn

arxiv:1908.09278 v1 · 2019-08-25 · math.OC · cs.CC · cs.DM · cs.DS · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RTLMHNUHGFFJV7VGBUALQ3RAM6}

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	2026-07-05T02:34:37.694890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cd6c3b687314a9afea60d00b86e206789a8508896d84721e890fd0cfd7d8f76

Aliases

arxiv: 1908.09278 · arxiv_version: 1908.09278v1 · doi: 10.48550/arxiv.1908.09278 · pith_short_12: RTLMHNUHGFFJ · pith_short_16: RTLMHNUHGFFJV7VG · pith_short_8: RTLMHNUH

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/RTLMHNUHGFFJV7VGBUALQ3RAM6 \
  | 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: 8cd6c3b687314a9afea60d00b86e206789a8508896d84721e890fd0cfd7d8f76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35c52d20671ec0c9f7eaa1c9a26725c80ea3d5ab796e53201818fd29f3177127",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM",
      "cs.DS",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-08-25T08:36:51Z",
    "title_canon_sha256": "b26099cda20a91dd1646b3f5cf9f1c009af0974e8bd7da2089e6c37c393fb11d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09278",
    "kind": "arxiv",
    "version": 1
  }
}