Pith Number

pith:TWXCJ5SE

pith:2015:TWXCJ5SEERWACMOWPJJBZ4MMKM

not attested not anchored not stored refs pending

Euler's lute and Edwards' oud

David Sherry, Karin U. Katz, Mikhail G. Katz, Vladimir Kanovei

arxiv:1506.02586 v2 · 2015-06-08 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TWXCJ5SEERWACMOWPJJBZ4MMKM}

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	2026-05-18T00:49:35.030122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dae24f644246c0131d67a521cf18c5336ad835db9e5c44f3f5b98f4c21ec58e

Aliases

arxiv: 1506.02586 · arxiv_version: 1506.02586v2 · doi: 10.48550/arxiv.1506.02586 · pith_short_12: TWXCJ5SEERWA · pith_short_16: TWXCJ5SEERWACMOW · pith_short_8: TWXCJ5SE

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/TWXCJ5SEERWACMOWPJJBZ4MMKM \
  | 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: 9dae24f644246c0131d67a521cf18c5336ad835db9e5c44f3f5b98f4c21ec58e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "479b4c920cb2cea9f3004f85c2bd46c3b58a7c7f92fc444605d3532449466339",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2015-06-08T16:57:04Z",
    "title_canon_sha256": "a04a7a624374edc7ffffeb338d5a16769cd88c38efaa88c2799eaa4f81ae4b6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.02586",
    "kind": "arxiv",
    "version": 2
  }
}