Pith Number

pith:USV2JI3G

pith:2015:USV2JI3GSNB3PBRGPMQUNAO5YR

not attested not anchored not stored refs pending

Zero-sum flows for Steiner triple systems

A.C. Burgess, E. Mendelsohn, P. Danziger, S. Akbari

arxiv:1502.04096 v2 · 2015-02-13 · 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{USV2JI3GSNB3PBRGPMQUNAO5YR}

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	2026-05-18T02:14:16.911123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4aba4a3669343b786267b214681ddc472b4508a1678d96257c582e01c9f4bad

Aliases

arxiv: 1502.04096 · arxiv_version: 1502.04096v2 · doi: 10.48550/arxiv.1502.04096 · pith_short_12: USV2JI3GSNB3 · pith_short_16: USV2JI3GSNB3PBRG · pith_short_8: USV2JI3G

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/USV2JI3GSNB3PBRGPMQUNAO5YR \
  | 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: a4aba4a3669343b786267b214681ddc472b4508a1678d96257c582e01c9f4bad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29872bc823e5b580732f0dd848bc8cb15f5a810e1b32de996e26bca1ab3676ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-02-13T19:31:51Z",
    "title_canon_sha256": "14305faafe595af6a6ad0b8cefb95f12f22271280ebc6d36d836ac76f1705012"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04096",
    "kind": "arxiv",
    "version": 2
  }
}