Pith Number

pith:ETKREOJ5

pith:2015:ETKREOJ573644RHH5H6VL3USAT

not attested not anchored not stored refs pending

Volumes of Montesinos links

Jessica S. Purcell, Kathleen Finlinson

arxiv:1502.07991 v2 · 2015-02-27 · 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{ETKREOJ573644RHH5H6VL3USAT}

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	2026-05-18T01:19:30.403119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24d512393dfefdce44e7e9fd55ee9204e9269d6547048690ba6794caeb522311

Aliases

arxiv: 1502.07991 · arxiv_version: 1502.07991v2 · doi: 10.48550/arxiv.1502.07991 · pith_short_12: ETKREOJ57364 · pith_short_16: ETKREOJ573644RHH · pith_short_8: ETKREOJ5

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/ETKREOJ573644RHH5H6VL3USAT \
  | 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: 24d512393dfefdce44e7e9fd55ee9204e9269d6547048690ba6794caeb522311

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d2d1d801294d5187b1a3ab81de800fce04d6a9aee467d66d878de256c79575b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2015-02-27T18:04:19Z",
    "title_canon_sha256": "421a133ad9e7afc37f3de4b8d92c6c0cf9e3cbbd8c83f2c5cc10200502829ea9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07991",
    "kind": "arxiv",
    "version": 2
  }
}