Pith Number

pith:OZDREWRZ

pith:2012:OZDREWRZUMBCPJ4L72IOVY754P

not attested not anchored not stored refs pending

A graphite-prism definition for Avogadro's "integer"

Melanie Lipp, P. Fraundorf

arxiv:1201.5537 v4 · 2012-01-25 · physics.gen-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{OZDREWRZUMBCPJ4L72IOVY754P}

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	2026-05-18T01:35:52.595983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7647125a39a30227a78bfe90eae3fde3c9de4394bedbfaad815974aa80082c0c

Aliases

arxiv: 1201.5537 · arxiv_version: 1201.5537v4 · doi: 10.48550/arxiv.1201.5537 · pith_short_12: OZDREWRZUMBC · pith_short_16: OZDREWRZUMBCPJ4L · pith_short_8: OZDREWRZ

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/OZDREWRZUMBCPJ4L72IOVY754P \
  | 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: 7647125a39a30227a78bfe90eae3fde3c9de4394bedbfaad815974aa80082c0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a7cbe7aa7ac772e91384e4b4911c3c3ceedf8a4cdac78a2a84a57856861d5b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2012-01-25T14:22:15Z",
    "title_canon_sha256": "5d3ac41d4c4e2ee30f8ad31ba77ae9cafcd4ae9e2e22ab5e3be80bfa501d517b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5537",
    "kind": "arxiv",
    "version": 4
  }
}