Pith Number

pith:FEBTN5GC

pith:2017:FEBTN5GCLK2CVCZI5O6JPWM7YM

not attested not anchored not stored refs pending

Is there any polynomial upper bound for the universal labeling of graphs?

Ali Dehghan, Arash Ahadi, Morteza Saghafian

arxiv:1701.06685 v1 · 2017-01-23 · 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{FEBTN5GCLK2CVCZI5O6JPWM7YM}

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	2026-05-18T00:51:29.894591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

290336f4c25ab42a8b28ebbc97d99fc3395737ade7a31edc42385900c6e065b2

Aliases

arxiv: 1701.06685 · arxiv_version: 1701.06685v1 · doi: 10.48550/arxiv.1701.06685 · pith_short_12: FEBTN5GCLK2C · pith_short_16: FEBTN5GCLK2CVCZI · pith_short_8: FEBTN5GC

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/FEBTN5GCLK2CVCZI5O6JPWM7YM \
  | 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: 290336f4c25ab42a8b28ebbc97d99fc3395737ade7a31edc42385900c6e065b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65a6cc16d33732edbf36c37fbc8b84b6586aba1b354e2a961128b3b87ca70b82",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-01-23T23:49:48Z",
    "title_canon_sha256": "92c9a3fa73364e959a9268f239ad40bf575fdf7714921062ece49883bf70999c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06685",
    "kind": "arxiv",
    "version": 1
  }
}