Pith Number

pith:H2BJ3ZLN

pith:2015:H2BJ3ZLNK6KVVHWR6H2QRM3ST5

not attested not anchored not stored refs pending

The classification of some GK-trisections

Trent Schirmer

arxiv:1503.08511 v1 · 2015-03-30 · 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{H2BJ3ZLNK6KVVHWR6H2QRM3ST5}

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	2026-05-18T02:20:01.571714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e829de56d57955a9ed1f1f508b3729f6d1ee8ea7f307f63b633c55a6c85b239

Aliases

arxiv: 1503.08511 · arxiv_version: 1503.08511v1 · doi: 10.48550/arxiv.1503.08511 · pith_short_12: H2BJ3ZLNK6KV · pith_short_16: H2BJ3ZLNK6KVVHWR · pith_short_8: H2BJ3ZLN

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/H2BJ3ZLNK6KVVHWR6H2QRM3ST5 \
  | 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: 3e829de56d57955a9ed1f1f508b3729f6d1ee8ea7f307f63b633c55a6c85b239

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3be15b0dd90d251cb5c92a9be407ae274513882d26bbdb7a7168dd94c23b220",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2015-03-30T00:31:59Z",
    "title_canon_sha256": "92b79ee9325069d9db8d61fe3b354de82f092a88524296da2d863da07100cd19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08511",
    "kind": "arxiv",
    "version": 1
  }
}