Pith Number

pith:LBIZDRTK

pith:2018:LBIZDRTKWFRRNYYHF2T3QWLEP6

not attested not anchored not stored refs pending

Stellar Stratifications on Classifying Spaces

Dai Tamaki, Hiro Lee Tanaka

arxiv:1804.11274 v2 · 2018-04-30 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LBIZDRTKWFRRNYYHF2T3QWLEP6}

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	2026-05-18T00:05:40.905068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

585191c66ab16316e3072ea7b859647f9e5f2d1a15f28875db26fb4a013207f3

Aliases

arxiv: 1804.11274 · arxiv_version: 1804.11274v2 · doi: 10.48550/arxiv.1804.11274 · pith_short_12: LBIZDRTKWFRR · pith_short_16: LBIZDRTKWFRRNYYH · pith_short_8: LBIZDRTK

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/LBIZDRTKWFRRNYYHF2T3QWLEP6 \
  | 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: 585191c66ab16316e3072ea7b859647f9e5f2d1a15f28875db26fb4a013207f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2478b993eeecea79f66be08000e504e6054b33af1e0eefbfa131edd06063cd27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2018-04-30T15:32:04Z",
    "title_canon_sha256": "df8df74bce64aa3b631a361addae1326bd8d8ab33617d5a51e02e0485746c3ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.11274",
    "kind": "arxiv",
    "version": 2
  }
}