Pith Number

pith:ERU247EQ

pith:2011:ERU247EQTCSKKWEOPBHF673MYQ

not attested not anchored not stored refs pending

A note on rectifiable spaces

Chuan Liu, Fucai Lin, Shou Lin

arxiv:1106.3811 v2 · 2011-06-20 · math.GN · 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{ERU247EQTCSKKWEOPBHF673MYQ}

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	2026-05-18T04:11:31.545327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2469ae7c9098a4a5588e784e5f7f6cc414542d89a4d054953b6bd82eae948037

Aliases

arxiv: 1106.3811 · arxiv_version: 1106.3811v2 · doi: 10.48550/arxiv.1106.3811 · pith_short_12: ERU247EQTCSK · pith_short_16: ERU247EQTCSKKWEO · pith_short_8: ERU247EQ

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/ERU247EQTCSKKWEOPBHF673MYQ \
  | 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: 2469ae7c9098a4a5588e784e5f7f6cc414542d89a4d054953b6bd82eae948037

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d0ec6a71c0530435ce5c384b69f174020e4425ddb85141f18ef5bcb907d72c5",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2011-06-20T05:31:29Z",
    "title_canon_sha256": "382a6520c2a185707adbdf6d7a27f0e0596c9aaa386c58a37c697b66ec6257db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3811",
    "kind": "arxiv",
    "version": 2
  }
}