Pith Number

pith:O75LCIVJ

pith:2015:O75LCIVJYGDUS53WOBMCGN5ZME

not attested not anchored not stored refs pending

Archimedes' famous-theorem

Henri Gouin (M2P2)

arxiv:1510.06959 v1 · 2015-10-22 · 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{O75LCIVJYGDUS53WOBMCGN5ZME}

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	2026-05-18T01:29:22.571125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77fab122a9c18749777670582337b9610bb052148984046623fbb9eaec72cbed

Aliases

arxiv: 1510.06959 · arxiv_version: 1510.06959v1 · doi: 10.48550/arxiv.1510.06959 · pith_short_12: O75LCIVJYGDU · pith_short_16: O75LCIVJYGDUS53W · pith_short_8: O75LCIVJ

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/O75LCIVJYGDUS53WOBMCGN5ZME \
  | 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: 77fab122a9c18749777670582337b9610bb052148984046623fbb9eaec72cbed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d64702a1ff33860cb7f7c03b8408565e27f090484dc24c363c0359f2087adda0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2015-10-22T10:06:55Z",
    "title_canon_sha256": "8ea880f40f97a3ddfe7a44b3cef8e9a73bb33e6f67d29d627aa8a4b90f500b99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06959",
    "kind": "arxiv",
    "version": 1
  }
}