Pith Number

pith:3DX34ZO4

pith:2016:3DX34ZO4K74W7TAAK457HABXUZ

not attested not anchored not stored refs pending

Seeing How Fitting Process Works

Mauro Sirigu, Vera Montalbano

arxiv:1601.01351 v1 · 2016-01-06 · physics.ed-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{3DX34ZO4K74W7TAAK457HABXUZ}

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	2026-05-18T01:23:15.658813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8efbe65dc57f96fcc00573bf38037a67e146f1da3b5d679a6691d035cd5bde9

Aliases

arxiv: 1601.01351 · arxiv_version: 1601.01351v1 · doi: 10.48550/arxiv.1601.01351 · pith_short_12: 3DX34ZO4K74W · pith_short_16: 3DX34ZO4K74W7TAA · pith_short_8: 3DX34ZO4

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/3DX34ZO4K74W7TAAK457HABXUZ \
  | 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: d8efbe65dc57f96fcc00573bf38037a67e146f1da3b5d679a6691d035cd5bde9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "955069c18032703272da659fc16cea6349fc06373c51268a604b03edd4aaf6c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2016-01-06T23:34:55Z",
    "title_canon_sha256": "e2df6121bb13760d05be211ac1d26a98f6415472c9b82fcb4a1fea90b0bf9370"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01351",
    "kind": "arxiv",
    "version": 1
  }
}