Pith Number

pith:6OTKNJDD

pith:2019:6OTKNJDDBZL3FRQY3UCJNET6US

not attested not anchored not stored refs pending

Induced equators in flag spheres

Eran Nevo, Maria Chudnovsky

arxiv:1908.08727 v1 · 2019-08-23 · 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{6OTKNJDDBZL3FRQY3UCJNET6US}

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	2026-07-04T23:59:23.699254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3a6a6a4630e57b2c618dd0496927ea4b9bd5860d5bcdc02b436de3704d8e26d

Aliases

arxiv: 1908.08727 · arxiv_version: 1908.08727v1 · doi: 10.48550/arxiv.1908.08727 · pith_short_12: 6OTKNJDDBZL3 · pith_short_16: 6OTKNJDDBZL3FRQY · pith_short_8: 6OTKNJDD

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/6OTKNJDDBZL3FRQY3UCJNET6US \
  | 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: f3a6a6a4630e57b2c618dd0496927ea4b9bd5860d5bcdc02b436de3704d8e26d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5933ea47fb7697aa022140db980e23732bf1007de8366b66a1596adddf5e731b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-08-23T09:26:23Z",
    "title_canon_sha256": "25c5e30a39f260df5cfea72e1b245db5a90c2b386bc9d0d7f66707ffdcfc2b15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08727",
    "kind": "arxiv",
    "version": 1
  }
}