Pith Number

pith:JEQGXVDO

pith:2021:JEQGXVDOQQGRNOKZOPBZ2L2PCX

not attested not anchored not stored refs pending

Extremal Uniquely Resolvable Multisets

Varun Sivashankar

arxiv:2109.10222 v3 · 2021-09-17 · 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{JEQGXVDOQQGRNOKZOPBZ2L2PCX}

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	2026-07-05T04:53:39.709635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49206bd46e840d16b95973c39d2f4f15d1ef8824632008d991afc8a0d795294a

Aliases

arxiv: 2109.10222 · arxiv_version: 2109.10222v3 · doi: 10.48550/arxiv.2109.10222 · pith_short_12: JEQGXVDOQQGR · pith_short_16: JEQGXVDOQQGRNOKZ · pith_short_8: JEQGXVDO

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/JEQGXVDOQQGRNOKZOPBZ2L2PCX \
  | 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: 49206bd46e840d16b95973c39d2f4f15d1ef8824632008d991afc8a0d795294a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dcac1a9190abc1859b6a6f4c0ca45cc8d6ce766c90a6a2d37ef57ec91989b70",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2021-09-17T21:41:13Z",
    "title_canon_sha256": "3b68769704fd94ddbf3ca816821e68da3141bd05361374b1c6d5f6c61cd498e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.10222",
    "kind": "arxiv",
    "version": 3
  }
}