Pith Number

pith:SJX6MXUZ

pith:2017:SJX6MXUZZZGCC55IATLJTXX44G

not attested not anchored not stored refs pending

The Alexander method for infinite-type surfaces

Ferran Valdez, Israel Morales, Jesus Hernandez Hernandez

arxiv:1703.00407 v1 · 2017-03-01 · 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{SJX6MXUZZZGCC55IATLJTXX44G}

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	2026-05-18T00:49:43.023199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

926fe65e99ce4c2177a804d699defce1a85e7a9a0bda4d934184b837b0d6dba4

Aliases

arxiv: 1703.00407 · arxiv_version: 1703.00407v1 · doi: 10.48550/arxiv.1703.00407 · pith_short_12: SJX6MXUZZZGC · pith_short_16: SJX6MXUZZZGCC55I · pith_short_8: SJX6MXUZ

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/SJX6MXUZZZGCC55IATLJTXX44G \
  | 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: 926fe65e99ce4c2177a804d699defce1a85e7a9a0bda4d934184b837b0d6dba4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21caaa8e12bd9653da60c67c1845ffc98a9bc8029481347b1c00cc99d7eb0bd3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2017-03-01T17:39:46Z",
    "title_canon_sha256": "b96be196598673d9c78250e0904d6c0de258b87ceba00de2dbe6f72964e4d166"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.00407",
    "kind": "arxiv",
    "version": 1
  }
}