Pith Number

pith:PDM4O4KC

pith:2018:PDM4O4KCYMQ3DQJ53HBXP2UHAP

not attested not anchored not stored refs pending

A distinguished example of filiform deformation

Joan Felipe Herrera-Granada, Paulo Tirao, Sonia Vera

arxiv:1802.09432 v1 · 2018-02-26 · 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{PDM4O4KCYMQ3DQJ53HBXP2UHAP}

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	2026-05-18T00:22:33.708734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78d9c77142c321b1c13dd9c377ea8703de0199112cf50db6550c9c59b6bd1a8b

Aliases

arxiv: 1802.09432 · arxiv_version: 1802.09432v1 · doi: 10.48550/arxiv.1802.09432 · pith_short_12: PDM4O4KCYMQ3 · pith_short_16: PDM4O4KCYMQ3DQJ5 · pith_short_8: PDM4O4KC

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/PDM4O4KCYMQ3DQJ53HBXP2UHAP \
  | 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: 78d9c77142c321b1c13dd9c377ea8703de0199112cf50db6550c9c59b6bd1a8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b44bdf6289217a2becb04848fd6b47d75bac51751f36bb1eb99e267e4febb4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-02-26T16:19:13Z",
    "title_canon_sha256": "148d4c12aba42dc16cc66150ef5ed993e790fab5e87a0f9845f7369bc851b62e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09432",
    "kind": "arxiv",
    "version": 1
  }
}