Pith Number

pith:BLF6VM2B

pith:2014:BLF6VM2BHSHM6II5JBNEZRWIR5

not attested not anchored not stored refs pending

The curves not carried

Saul Schleimer, Vaibhav Gadre

arxiv:1410.4886 v2 · 2014-10-17 · 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{BLF6VM2BHSHM6II5JBNEZRWIR5}

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	2026-05-18T01:32:37.671022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0acbeab3413c8ecf211d485a4cc6c88f6f2059d6f3bba6ae355a08aa4d3ff73b

Aliases

arxiv: 1410.4886 · arxiv_version: 1410.4886v2 · doi: 10.48550/arxiv.1410.4886 · pith_short_12: BLF6VM2BHSHM · pith_short_16: BLF6VM2BHSHM6II5 · pith_short_8: BLF6VM2B

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/BLF6VM2BHSHM6II5JBNEZRWIR5 \
  | 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: 0acbeab3413c8ecf211d485a4cc6c88f6f2059d6f3bba6ae355a08aa4d3ff73b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb2933e9797918e6de6335c48098d6949be9226327d6d6f4b272f94e209bac34",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-10-17T23:24:24Z",
    "title_canon_sha256": "c1752b50ed5903ff812a63535dc82d0eefd4f91d04abcd3b7ab2a8ffe75f586f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.4886",
    "kind": "arxiv",
    "version": 2
  }
}