Pith Number

pith:RPECPTSZ

pith:2017:RPECPTSZEYB24SBBR4ZAJNJ5OI

not attested not anchored not stored refs pending

Edge Preserving Maps of the Nonseparating Curve Graphs, Curve Graphs and Rectangle Preserving Maps of the Hatcher-Thurston Graphs

Elmas Irmak

arxiv:1708.05290 v3 · 2017-08-15 · math.GT · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RPECPTSZEYB24SBBR4ZAJNJ5OI}

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	2026-05-17T23:43:33.469324Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bc827ce592603ae48218f3204b53d7223ade272c580ea7b056a646d3998d33f

Aliases

arxiv: 1708.05290 · arxiv_version: 1708.05290v3 · doi: 10.48550/arxiv.1708.05290 · pith_short_12: RPECPTSZEYB2 · pith_short_16: RPECPTSZEYB24SBB · pith_short_8: RPECPTSZ

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/RPECPTSZEYB24SBBR4ZAJNJ5OI \
  | 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: 8bc827ce592603ae48218f3204b53d7223ade272c580ea7b056a646d3998d33f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94b9b38f98eb9fb39ad19925a88394f157d428e699deef168e9a6425ea7ee3dd",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2017-08-15T22:40:19Z",
    "title_canon_sha256": "d01ed1abad418046f17f1100c0eaed92159a030063637807ed1fbbfed7ead164"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.05290",
    "kind": "arxiv",
    "version": 3
  }
}