Pith Number

pith:BYCIKGHZ

pith:2018:BYCIKGHZ57YYZGC3726GIUWSTD

not attested not anchored not stored refs pending

Surjections and double posets

Fr\'ed\'eric Patras, Lo\"ic Foissy (LMPA)

arxiv:1803.06119 v1 · 2018-03-16 · math.CO · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BYCIKGHZ57YYZGC3726GIUWSTD}

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	2026-05-18T00:20:50.565182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e048518f9eff18c985bfebc6452d298ddc40699d28192b204c6be2e1a56d80d

Aliases

arxiv: 1803.06119 · arxiv_version: 1803.06119v1 · doi: 10.48550/arxiv.1803.06119 · pith_short_12: BYCIKGHZ57YY · pith_short_16: BYCIKGHZ57YYZGC3 · pith_short_8: BYCIKGHZ

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/BYCIKGHZ57YYZGC3726GIUWSTD \
  | 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: 0e048518f9eff18c985bfebc6452d298ddc40699d28192b204c6be2e1a56d80d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d5b182c79ea940822f99cbb2befc15368c11c8d67cc2342ea1d1fa0e3139099",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-03-16T09:22:39Z",
    "title_canon_sha256": "88483d10778fd83bc59675c44e62b594de5216bbadebe5058a40e27c4681cf58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06119",
    "kind": "arxiv",
    "version": 1
  }
}