Pith Number

pith:7M6I2NJA

pith:2018:7M6I2NJANVBJBD2ET2PTZFDZHH

not attested not anchored not stored refs pending

A new scale in the bias expansion

Fabian Schmidt, Giovanni Cabass

arxiv:1812.02731 v3 · 2018-12-06 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7M6I2NJANVBJBD2ET2PTZFDZHH}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:44:58.235749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb3c8d35206d42908f449e9f3c947939e0f49a220df1263ce98c8c7c2e72cc12

Aliases

arxiv: 1812.02731 · arxiv_version: 1812.02731v3 · doi: 10.48550/arxiv.1812.02731 · pith_short_12: 7M6I2NJANVBJ · pith_short_16: 7M6I2NJANVBJBD2E · pith_short_8: 7M6I2NJA

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/7M6I2NJANVBJBD2ET2PTZFDZHH \
  | 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: fb3c8d35206d42908f449e9f3c947939e0f49a220df1263ce98c8c7c2e72cc12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff82c1ea7d73fcc9f991717f34cff4af19165437a90205bf1da76da4c09d6112",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-12-06T18:59:40Z",
    "title_canon_sha256": "347bb45578f83a87f8f1a3933bc76df852fbcbc727790878f78ac7fb74ccdd40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02731",
    "kind": "arxiv",
    "version": 3
  }
}