Pith Number

pith:OEEO2FP2

pith:2010:OEEO2FP2L4UARZC6U7ESRAMEBD

not attested not anchored not stored refs pending

Fixed point theorems in plane continua with applications

Alexander M. Blokh, E. D. Tymchatyn, John C. Mayer, Lex G. Oversteegen, Robbert J. Fokkink

arxiv:1004.0214 v2 · 2010-04-01 · math.GN · math.DS · 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{OEEO2FP2L4UARZC6U7ESRAMEBD}

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	2026-05-18T01:22:52.707082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7108ed15fa5f2808e45ea7c928818408e67fe305071ee5992839db6ea6481553

Aliases

arxiv: 1004.0214 · arxiv_version: 1004.0214v2 · doi: 10.48550/arxiv.1004.0214 · pith_short_12: OEEO2FP2L4UA · pith_short_16: OEEO2FP2L4UARZC6 · pith_short_8: OEEO2FP2

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/OEEO2FP2L4UARZC6U7ESRAMEBD \
  | 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: 7108ed15fa5f2808e45ea7c928818408e67fe305071ee5992839db6ea6481553

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afe918658400e9a1c97fa5db99ddb6ad4c33784790665a42018e41ded1178476",
    "cross_cats_sorted": [
      "math.DS",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2010-04-01T19:27:52Z",
    "title_canon_sha256": "0ea6c325546868a5886bd4ea900060258cab4d1709eb3a9cfcef8dc47d46ae2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0214",
    "kind": "arxiv",
    "version": 2
  }
}