Pith Number

pith:VZMR3KCB

pith:2026:VZMR3KCB6JVUUQP2CIFKV4ACAI

not attested not anchored not stored refs pending

Small-scale operations on graphic sequences

Irena Rusu

arxiv:2605.28280 v1 · 2026-05-27 · 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{VZMR3KCB6JVUUQP2CIFKV4ACAI}

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	2026-05-28T01:05:05.038829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae591da841f26b4a41fa120aaaf00202166905aab01c9a0a0a6934f7f9f74500

Aliases

arxiv: 2605.28280 · arxiv_version: 2605.28280v1 · doi: 10.48550/arxiv.2605.28280 · pith_short_12: VZMR3KCB6JVU · pith_short_16: VZMR3KCB6JVUUQP2 · pith_short_8: VZMR3KCB

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/VZMR3KCB6JVUUQP2CIFKV4ACAI \
  | 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: ae591da841f26b4a41fa120aaaf00202166905aab01c9a0a0a6934f7f9f74500

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25f0106069f5ab68ebcd6cadde6693473f9cd7c21fa76ff81a9518dedc62eb64",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-05-27T10:23:40Z",
    "title_canon_sha256": "73b2962d284dd7af52791cb9c5c6104b493d5998400a26e3640a7d3310c6b13f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28280",
    "kind": "arxiv",
    "version": 1
  }
}