Pith Number

pith:HQIIACLU

pith:2015:HQIIACLU363VRDN3QP4BZGUF4H

not attested not anchored not stored refs pending

Rational homology and homotopy of high dimensional string links

Paul Arnaud Songhafouo Tsopm\'en\'e, Victor Turchin

arxiv:1504.00896 v3 · 2015-04-03 · 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{HQIIACLU363VRDN3QP4BZGUF4H}

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	2026-05-18T00:34:16.234832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c10800974dfb7588dbb83f81c9a85e1cf8bdf6da57cf851cf4cdf034a944a1a

Aliases

arxiv: 1504.00896 · arxiv_version: 1504.00896v3 · doi: 10.48550/arxiv.1504.00896 · pith_short_12: HQIIACLU363V · pith_short_16: HQIIACLU363VRDN3 · pith_short_8: HQIIACLU

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/HQIIACLU363VRDN3QP4BZGUF4H \
  | 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: 3c10800974dfb7588dbb83f81c9a85e1cf8bdf6da57cf851cf4cdf034a944a1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9246a80ac62713dcaad5b472c0747f349a993c238a1ea77bca3f1621c69794e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2015-04-03T17:23:11Z",
    "title_canon_sha256": "28d44eece487bf59b96e678c2ef212d5be5ba9584dec09d2ec9532a296517210"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00896",
    "kind": "arxiv",
    "version": 3
  }
}