Pith Number

pith:JT2ZHWAH

pith:2013:JT2ZHWAHV7KJUMMQ2RNI4XY3LR

not attested not anchored not stored refs pending

Spectral triples and KK-theory: A survey

Bram Mesland

arxiv:1304.3802 v1 · 2013-04-13 · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JT2ZHWAHV7KJUMMQ2RNI4XY3LR}

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	2026-05-18T03:28:04.298859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cf593d807afd49a3190d45a8e5f1b5c651150c6702fcfb4e5c006278f691a47

Aliases

arxiv: 1304.3802 · arxiv_version: 1304.3802v1 · doi: 10.48550/arxiv.1304.3802 · pith_short_12: JT2ZHWAHV7KJ · pith_short_16: JT2ZHWAHV7KJUMMQ · pith_short_8: JT2ZHWAH

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/JT2ZHWAHV7KJUMMQ2RNI4XY3LR \
  | 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: 4cf593d807afd49a3190d45a8e5f1b5c651150c6702fcfb4e5c006278f691a47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08627ee1d4dfa2ab81ee79adeee46eb93e5a9da5558a54f16d12e30323219123",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2013-04-13T12:09:49Z",
    "title_canon_sha256": "7d2bc2c1bc7fa72dc0e95d2114bc7909862f675f630c54126788b546b46fb001"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3802",
    "kind": "arxiv",
    "version": 1
  }
}