Pith Number

pith:5QFTN73U

pith:2015:5QFTN73U4UQB5PQ44IPK6NHTUK

not attested not anchored not stored refs pending

Average pace and horizontal chords

Diana Davis, Keith Burns, Orit Davidovich

arxiv:1507.00871 v2 · 2015-07-03 · 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{5QFTN73U4UQB5PQ44IPK6NHTUK}

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	2026-05-18T00:50:13.824753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec0b36ff74e5201ebe1ce21eaf34f3a28ae2edd232faf5e0a7364753d840a223

Aliases

arxiv: 1507.00871 · arxiv_version: 1507.00871v2 · doi: 10.48550/arxiv.1507.00871 · pith_short_12: 5QFTN73U4UQB · pith_short_16: 5QFTN73U4UQB5PQ4 · pith_short_8: 5QFTN73U

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/5QFTN73U4UQB5PQ44IPK6NHTUK \
  | 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: ec0b36ff74e5201ebe1ce21eaf34f3a28ae2edd232faf5e0a7364753d840a223

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a23d725e0924f970da3f3ec68855b23393c7994155cf1c5d367808a7cc7b7fdd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2015-07-03T11:05:02Z",
    "title_canon_sha256": "be22f9fb3912f5a280073b54bb1e77a2d6a7ce0d00e83b511b8ace8593b51ab0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00871",
    "kind": "arxiv",
    "version": 2
  }
}