Pith Number

pith:3DYVEWNB

pith:2011:3DYVEWNBUH6L62CCZDR2TFOOON

not attested not anchored not stored refs pending

The anti-diagonal filtration: reduced theory and applications

Eamonn Tweedy

arxiv:1109.3425 v2 · 2011-09-15 · math.GT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3DYVEWNBUH6L62CCZDR2TFOOON}

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	2026-05-18T01:39:56.889155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8f15259a1a1fcbf6842c8e3a995ce7340840151d7d40132c211975af5b2886e

Aliases

arxiv: 1109.3425 · arxiv_version: 1109.3425v2 · doi: 10.48550/arxiv.1109.3425 · pith_short_12: 3DYVEWNBUH6L · pith_short_16: 3DYVEWNBUH6L62CC · pith_short_8: 3DYVEWNB

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/3DYVEWNBUH6L62CCZDR2TFOOON \
  | 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: d8f15259a1a1fcbf6842c8e3a995ce7340840151d7d40132c211975af5b2886e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53c686a2d331d95ebe5bb87b0821a580304e753f37d5d163101f1ed9bf1fc289",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2011-09-15T18:54:11Z",
    "title_canon_sha256": "bab480d97aaf6185e3c66e29da9b8be9abf1a887f049558b8f587116f9246c64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3425",
    "kind": "arxiv",
    "version": 2
  }
}