Pith Number

pith:FC2JHMXF

pith:2014:FC2JHMXFSL4VXYGN2YW5N3ZWAO

not attested not anchored not stored refs pending

A Generalisation of Isomorphisms with Applications

Josef Lauri, Raffaele Scapellato, Russell Mizzi

arxiv:1403.0342 v1 · 2014-03-03 · 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{FC2JHMXFSL4VXYGN2YW5N3ZWAO}

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	2026-05-18T02:57:25.130136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28b493b2e592f95be0cdd62dd6ef3603bf32091098b3a974a0435ce52b8b52bd

Aliases

arxiv: 1403.0342 · arxiv_version: 1403.0342v1 · doi: 10.48550/arxiv.1403.0342 · pith_short_12: FC2JHMXFSL4V · pith_short_16: FC2JHMXFSL4VXYGN · pith_short_8: FC2JHMXF

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/FC2JHMXFSL4VXYGN2YW5N3ZWAO \
  | 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: 28b493b2e592f95be0cdd62dd6ef3603bf32091098b3a974a0435ce52b8b52bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d088a9abfd908005e3a76a5070d3659dec97dd4e24c795da3f349527ae0135d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-03-03T08:54:26Z",
    "title_canon_sha256": "8b76728cfe40da76f77cb3e9cfb1d3dbc31cf9bfdc5c70009812d4ccf9d00b1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.0342",
    "kind": "arxiv",
    "version": 1
  }
}