Pith Number

pith:NXX3LQM2

pith:2016:NXX3LQM2EXGI324AQ3XNDO5QFR

not attested not anchored not stored refs pending

L-homology on ball complexes and products

Spiros Adams-Florou, Tibor Macko

arxiv:1611.04114 v1 · 2016-11-13 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NXX3LQM2EXGI324AQ3XNDO5QFR}

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	2026-05-18T00:59:17.496435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6defb5c19a25cc8deb8086eed1bbb02c54ca3557003ddbe484c60df3ef315fbb

Aliases

arxiv: 1611.04114 · arxiv_version: 1611.04114v1 · doi: 10.48550/arxiv.1611.04114 · pith_short_12: NXX3LQM2EXGI · pith_short_16: NXX3LQM2EXGI324A · pith_short_8: NXX3LQM2

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/NXX3LQM2EXGI324AQ3XNDO5QFR \
  | 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: 6defb5c19a25cc8deb8086eed1bbb02c54ca3557003ddbe484c60df3ef315fbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4c993652fe891d6d0beafa2f4047fccc1211c3eba5eb5588df01dabcbed2613",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2016-11-13T11:06:49Z",
    "title_canon_sha256": "a06704db55ff915f84f1e82c7cf929fe25f9906d3f58381e818283cf9698d386"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.04114",
    "kind": "arxiv",
    "version": 1
  }
}