Pith Number

pith:DYHMZYBH

pith:2017:DYHMZYBHTOFHFU7VONRUE7U5UG

not attested not anchored not stored refs pending

Operations preserving equivalence relations

Maurice Pouzet

arxiv:1705.10890 v1 · 2017-05-30 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DYHMZYBHTOFHFU7VONRUE7U5UG}

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	2026-05-18T00:43:19.971497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e0ecce0279b8a72d3f57363427e9da185d7d74c8fe0ad405b16b284e61e24e6

Aliases

arxiv: 1705.10890 · arxiv_version: 1705.10890v1 · doi: 10.48550/arxiv.1705.10890 · pith_short_12: DYHMZYBHTOFH · pith_short_16: DYHMZYBHTOFHFU7V · pith_short_8: DYHMZYBH

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/DYHMZYBHTOFHFU7VONRUE7U5UG \
  | 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: 1e0ecce0279b8a72d3f57363427e9da185d7d74c8fe0ad405b16b284e61e24e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "320d1d337e3cd4560c9231150285beebc83f50ad3ee79be478be3fef57faaa3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-05-30T23:34:55Z",
    "title_canon_sha256": "30c6dbde44837a975f929d6823c3a11800a93eeb94ead9a1de29c8f7b50129e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.10890",
    "kind": "arxiv",
    "version": 1
  }
}