Pith Number

pith:CDGVV5YJ

pith:2014:CDGVV5YJYU4KJWUVPJID7QN4YX

not attested not anchored not stored refs pending

Extension of continuous mappings and $H_1$-retracts

Olena Karlova

arxiv:1407.0503 v1 · 2014-07-02 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CDGVV5YJYU4KJWUVPJID7QN4YX}

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	2026-05-18T02:48:26.748142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10cd5af709c538a4da957a503fc1bcc5d8997d614a9af0ba7134f3f8f82da33e

Aliases

arxiv: 1407.0503 · arxiv_version: 1407.0503v1 · doi: 10.48550/arxiv.1407.0503 · pith_short_12: CDGVV5YJYU4K · pith_short_16: CDGVV5YJYU4KJWUV · pith_short_8: CDGVV5YJ

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/CDGVV5YJYU4KJWUVPJID7QN4YX \
  | 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: 10cd5af709c538a4da957a503fc1bcc5d8997d614a9af0ba7134f3f8f82da33e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "826c30e82f1c4be1dad4d6361b576fc3b68a5fd5aa7ef396a532e5d21db97031",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2014-07-02T09:58:52Z",
    "title_canon_sha256": "43ab57d3e64e390d66af4ef66f70b7570df71e8272c834492b2d86bfb6cd8eb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.0503",
    "kind": "arxiv",
    "version": 1
  }
}