Pith Number

pith:UBDEI22S

pith:2011:UBDEI22S27U6ZU7MYCMSXI2LA7

not attested not anchored not stored refs pending

Amphicheiral links with special properties, I

Teruhisa Kadokami

arxiv:1107.0377 v3 · 2011-07-02 · 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{UBDEI22S27U6ZU7MYCMSXI2LA7}

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	2026-05-18T04:18:34.274274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a046446b52d7e9ecd3ecc0992ba34b07c4d53e6e0928e22912217d4099c84ac8

Aliases

arxiv: 1107.0377 · arxiv_version: 1107.0377v3 · doi: 10.48550/arxiv.1107.0377 · pith_short_12: UBDEI22S27U6 · pith_short_16: UBDEI22S27U6ZU7M · pith_short_8: UBDEI22S

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/UBDEI22S27U6ZU7MYCMSXI2LA7 \
  | 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: a046446b52d7e9ecd3ecc0992ba34b07c4d53e6e0928e22912217d4099c84ac8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1ccef662a9423c8ca2d53a076196db8d8c4d28d438d7883d078945fd688c5d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2011-07-02T12:22:42Z",
    "title_canon_sha256": "966bc3286d08edd09295ae36cb5f9012fd6cf2e6af4521a37d49ca2e633988e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.0377",
    "kind": "arxiv",
    "version": 3
  }
}