Pith Number

pith:6P55ILZE

pith:2021:6P55ILZEG7TDB6FJ4V53MVUYVA

not attested not anchored not stored refs pending

Self-dual maps II: links and symmetry

Ivan Rasskin, Jorge L. Ram\'irez Alfons\'in, Luis Montejano

arxiv:2106.05376 v1 · 2021-06-09 · math.GT · 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{6P55ILZEG7TDB6FJ4V53MVUYVA}

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	2026-07-05T07:28:41.954219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3fbd42f2437e630f8a9e57bb65698a837b9b90b7e8f6d6316dfb686d2fa6353

Aliases

arxiv: 2106.05376 · arxiv_version: 2106.05376v1 · doi: 10.48550/arxiv.2106.05376 · pith_short_12: 6P55ILZEG7TD · pith_short_16: 6P55ILZEG7TDB6FJ · pith_short_8: 6P55ILZE

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/6P55ILZEG7TDB6FJ4V53MVUYVA \
  | 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: f3fbd42f2437e630f8a9e57bb65698a837b9b90b7e8f6d6316dfb686d2fa6353

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbda092f70713b3ddb623b72aaf13b3e185d62ebd152cea4604286ad26338b98",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2021-06-09T20:32:25Z",
    "title_canon_sha256": "8c113e59123d6e97586516c587ae7c23aa2a178c66cc57287a566f4d12a78dae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.05376",
    "kind": "arxiv",
    "version": 1
  }
}