Pith Number

pith:AOHOFB3Y

pith:2015:AOHOFB3YWZSX5P2XSO43F4RSON

not attested not anchored not stored refs pending

Homotopy groups of highly connected manifolds

Samik Basu, Somnath Basu

arxiv:1510.05195 v1 · 2015-10-18 · 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{AOHOFB3YWZSX5P2XSO43F4RSON}

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	2026-05-18T01:29:52.915269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

038ee28778b6657ebf5793b9b2f232735f1339086489e619b07d3a4160277d4b

Aliases

arxiv: 1510.05195 · arxiv_version: 1510.05195v1 · doi: 10.48550/arxiv.1510.05195 · pith_short_12: AOHOFB3YWZSX · pith_short_16: AOHOFB3YWZSX5P2X · pith_short_8: AOHOFB3Y

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/AOHOFB3YWZSX5P2XSO43F4RSON \
  | 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: 038ee28778b6657ebf5793b9b2f232735f1339086489e619b07d3a4160277d4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea4df556a28cc2d1fedf28978bcdeaa0b98ffdfaa7c4616ede685443efacfa54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2015-10-18T03:12:13Z",
    "title_canon_sha256": "875989c9be805a53418a1904947bf1563fe1f5170ac1576ec124a696ac8d8bf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05195",
    "kind": "arxiv",
    "version": 1
  }
}