Pith Number

pith:6ECEDI4N

pith:2010:6ECEDI4NEBSYKKD2763HDJJYNX

not attested not anchored not stored refs pending

Singer 8-arcs of Mathon type in PG(2,2^7)

Frank De Clerck, Stefaan De Winter, Thomas Maes

arxiv:1010.1279 v1 · 2010-10-06 · 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{6ECEDI4NEBSYKKD2763HDJJYNX}

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	2026-05-18T04:39:48.984778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f10441a38d206585287affb671a5386dc70f5705c3fee9e7c13293b4775936b8

Aliases

arxiv: 1010.1279 · arxiv_version: 1010.1279v1 · doi: 10.48550/arxiv.1010.1279 · pith_short_12: 6ECEDI4NEBSY · pith_short_16: 6ECEDI4NEBSYKKD2 · pith_short_8: 6ECEDI4N

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/6ECEDI4NEBSYKKD2763HDJJYNX \
  | 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: f10441a38d206585287affb671a5386dc70f5705c3fee9e7c13293b4775936b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6712748fbabb0a0b71caed31d1a7673e963ede7c7b0bd2a35f5d94619487484",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-10-06T21:08:57Z",
    "title_canon_sha256": "9065fcd6fb00392f9fabe0cbe1cac80d2ef8ca6be161cd6c27b8172dd24eac50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.1279",
    "kind": "arxiv",
    "version": 1
  }
}