Pith Number

pith:BLZSNYV2

pith:2014:BLZSNYV2O7S5JPR7RDT5WZGMRQ

not attested not anchored not stored refs pending

Strings, fermions and the topology of curves on annuli

Daniel V. Mathews

arxiv:1410.2141 v2 · 2014-10-08 · math.GT · math.AT · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BLZSNYV2O7S5JPR7RDT5WZGMRQ}

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	2026-05-18T02:38:28.191965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0af326e2ba77e5d4be3f88e7db64cc8c00d05939b8304a1d37dfbdcbeaecf67e

Aliases

arxiv: 1410.2141 · arxiv_version: 1410.2141v2 · doi: 10.48550/arxiv.1410.2141 · pith_short_12: BLZSNYV2O7S5 · pith_short_16: BLZSNYV2O7S5JPR7 · pith_short_8: BLZSNYV2

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/BLZSNYV2O7S5JPR7RDT5WZGMRQ \
  | 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: 0af326e2ba77e5d4be3f88e7db64cc8c00d05939b8304a1d37dfbdcbeaecf67e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42e66f4e481577671d58bae025b5cc17434b6f458add00668010569d5053b861",
    "cross_cats_sorted": [
      "math.AT",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-10-08T14:41:20Z",
    "title_canon_sha256": "cd72832994ed758f047b2076b78ad393c0162fe0ca8285943cee9bf6254208a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.2141",
    "kind": "arxiv",
    "version": 2
  }
}