Pith Number

pith:ZHIJ6P67

pith:2013:ZHIJ6P67HKXDS2RUTPQHX5QQ6B

not attested not anchored not stored refs pending

Erinnerungen an Heinrich Brauner (1928--1990)

Hans Havlicek

arxiv:1304.1348 v1 · 2013-04-04 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZHIJ6P67HKXDS2RUTPQHX5QQ6B}

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	2026-05-18T03:29:03.670414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9d09f3fdf3aae396a349be07bf610f04b5148f594942ef4c3fb098f19dc4c20

Aliases

arxiv: 1304.1348 · arxiv_version: 1304.1348v1 · doi: 10.48550/arxiv.1304.1348 · pith_short_12: ZHIJ6P67HKXD · pith_short_16: ZHIJ6P67HKXDS2RU · pith_short_8: ZHIJ6P67

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/ZHIJ6P67HKXDS2RUTPQHX5QQ6B \
  | 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: c9d09f3fdf3aae396a349be07bf610f04b5148f594942ef4c3fb098f19dc4c20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c447ba328b04f8b497903eb032f15629be5de99b5be849066e237bb4490d9275",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2013-04-04T12:34:06Z",
    "title_canon_sha256": "4e4a798028dbb2c6d0ec1635766a478749b2e8f8c27f803cc8bf75a0879d48c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1348",
    "kind": "arxiv",
    "version": 1
  }
}