Pith Number

pith:F7G72GT3

pith:2014:F7G72GT3DH6ZVR6P353ZZ6NS7H

not attested not anchored not stored refs pending

The rank invariant stability via interleavings

Claudia Landi

arxiv:1412.3374 v1 · 2014-12-10 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F7G72GT3DH6ZVR6P353ZZ6NS7H}

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	2026-05-18T02:31:36.815886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fcdfd1a7b19fd9ac7cfdf779cf9b2f9f8238d178e6ebe4554bcc271dd50ff75

Aliases

arxiv: 1412.3374 · arxiv_version: 1412.3374v1 · doi: 10.48550/arxiv.1412.3374 · pith_short_12: F7G72GT3DH6Z · pith_short_16: F7G72GT3DH6ZVR6P · pith_short_8: F7G72GT3

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/F7G72GT3DH6ZVR6P353ZZ6NS7H \
  | 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: 2fcdfd1a7b19fd9ac7cfdf779cf9b2f9f8238d178e6ebe4554bcc271dd50ff75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "965254cde6c00de4483e3e0228ab345b183bc3b8381149e342ef75ebf7e8b2fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2014-12-10T17:19:30Z",
    "title_canon_sha256": "ad2f701454dba289cfaee9d31469ab50e0f10b21bb0b2ee9973f7c56de7804c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3374",
    "kind": "arxiv",
    "version": 1
  }
}