Pith Number

pith:NKSH56RK

pith:2013:NKSH56RKV2XF3IG3DC6G5V5CRX

not attested not anchored not stored refs pending

Constant Speed Ramps

Oscar M. Perdomo

arxiv:1305.0402 v1 · 2013-05-02 · math.DG · math-ph · math.DS · math.MP · physics.class-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NKSH56RKV2XF3IG3DC6G5V5CRX}

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	2026-05-18T01:22:25.418041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6aa47efa2aaeae5da0db18bc6ed7a28dfac91fa18493dc25cec63e0bdc0de632

Aliases

arxiv: 1305.0402 · arxiv_version: 1305.0402v1 · doi: 10.48550/arxiv.1305.0402 · pith_short_12: NKSH56RKV2XF · pith_short_16: NKSH56RKV2XF3IG3 · pith_short_8: NKSH56RK

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/NKSH56RKV2XF3IG3DC6G5V5CRX \
  | 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: 6aa47efa2aaeae5da0db18bc6ed7a28dfac91fa18493dc25cec63e0bdc0de632

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19a4dff1fb3f2295ba1fc083a14746c87a09be8869460848705e47e9860e883a",
    "cross_cats_sorted": [
      "math-ph",
      "math.DS",
      "math.MP",
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-05-02T11:31:27Z",
    "title_canon_sha256": "9bac7920eb3e91d2d881c8d9c5e9469522fb9026ecefa4b87bde439b126b0e7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0402",
    "kind": "arxiv",
    "version": 1
  }
}