Pith Number

pith:HHYCR446

pith:2023:HHYCR4463XY4UT2CF2E26UKKZF

not attested not anchored not stored refs pending

Hereditary Nordhaus-Gaddum Graphs

Rebecca Whitman, Vaidy Sivaraman

arxiv:2310.02336 v1 · 2023-10-03 · 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{HHYCR4463XY4UT2CF2E26UKKZF}

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

Mechanistic origins of catastrophic forgetting: why RL preserves circuits better than SFT?

Receipt and verification

First computed	2026-07-05T06:56:55.677700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39f028f39eddf1ca4f422e89af514ac97a3218272f783ef0e21632889af41e40

Aliases

arxiv: 2310.02336 · arxiv_version: 2310.02336v1 · doi: 10.48550/arxiv.2310.02336 · pith_short_12: HHYCR4463XY4 · pith_short_16: HHYCR4463XY4UT2C · pith_short_8: HHYCR446

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/HHYCR4463XY4UT2CF2E26UKKZF \
  | 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: 39f028f39eddf1ca4f422e89af514ac97a3218272f783ef0e21632889af41e40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f9e442eb5b64702ab8fda75b902def0e775020bf75a5c3dcb0bb3037e850feb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2023-10-03T18:15:22Z",
    "title_canon_sha256": "204f43d6f9a1b8c113907fde70ed57addcacd7ac0a6319373217ea4ce668679c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.02336",
    "kind": "arxiv",
    "version": 1
  }
}