Pith Number

pith:5CM3PTZW

pith:2017:5CM3PTZWXXL4ZCSKONRMN3PJ5L

not attested not anchored not stored refs pending

A note on the fractional perimeter and interpolation

Augusto C. Ponce, Daniel Spector

arxiv:1707.06001 v1 · 2017-07-19 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5CM3PTZWXXL4ZCSKONRMN3PJ5L}

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	2026-05-18T00:10:24.412363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e899b7cf36bdd7cc8a4a7362c6ede9eac2ab3ac128c3c4d71aa8f3607873c140

Aliases

arxiv: 1707.06001 · arxiv_version: 1707.06001v1 · doi: 10.48550/arxiv.1707.06001 · pith_short_12: 5CM3PTZWXXL4 · pith_short_16: 5CM3PTZWXXL4ZCSK · pith_short_8: 5CM3PTZW

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/5CM3PTZWXXL4ZCSKONRMN3PJ5L \
  | 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: e899b7cf36bdd7cc8a4a7362c6ede9eac2ab3ac128c3c4d71aa8f3607873c140

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dd7952f01e21ca83737e412306318aa67a0687127c2fb125f8248e80b5d1375",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-07-19T10:03:24Z",
    "title_canon_sha256": "65ee742bf9bd159a2a2a5ea18703d4dc9c21e65e82a88fa655effa471e9f6627"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.06001",
    "kind": "arxiv",
    "version": 1
  }
}