Pith Number

pith:FA4NFOD2

pith:2017:FA4NFOD2U6SJ7E7ENGAN2FC4FI

not attested not anchored not stored refs pending

Obituary: Walter Benz (1931-2017)

Alexander Kreuzer, Hans Havlicek

arxiv:1704.02480 v1 · 2017-04-08 · 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{FA4NFOD2U6SJ7E7ENGAN2FC4FI}

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	2026-05-18T00:46:45.398436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2838d2b87aa7a49f93e46980dd145c2a3997adf7b4b3dcf968f3cf0e327cd3e0

Aliases

arxiv: 1704.02480 · arxiv_version: 1704.02480v1 · doi: 10.48550/arxiv.1704.02480 · pith_short_12: FA4NFOD2U6SJ · pith_short_16: FA4NFOD2U6SJ7E7E · pith_short_8: FA4NFOD2

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/FA4NFOD2U6SJ7E7ENGAN2FC4FI \
  | 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: 2838d2b87aa7a49f93e46980dd145c2a3997adf7b4b3dcf968f3cf0e327cd3e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8b23f889c8fbfc8e3cd53ed5014cea38851b5a9977cc571b17c46ff4b864086",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2017-04-08T11:41:54Z",
    "title_canon_sha256": "6a3b05f482ae00be83c90411343bf99df3cee7c8a449d979dde9e4a9938f94aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02480",
    "kind": "arxiv",
    "version": 1
  }
}