Pith Number

pith:VNIT2U6V

pith:2014:VNIT2U6VSEVJ6SKZTS7Q6NAFJT

not attested not anchored not stored refs pending

Computing Algebraic Matroids

Zvi Rosen

arxiv:1403.8148 v2 · 2014-03-31 · math.CO · math.AC · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VNIT2U6VSEVJ6SKZTS7Q6NAFJT}

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	2026-05-18T02:54:39.120217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab513d53d5912a9f49599cbf0f34054cc479bbe2c594a065d1e5b7e89d72754e

Aliases

arxiv: 1403.8148 · arxiv_version: 1403.8148v2 · doi: 10.48550/arxiv.1403.8148 · pith_short_12: VNIT2U6VSEVJ · pith_short_16: VNIT2U6VSEVJ6SKZ · pith_short_8: VNIT2U6V

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/VNIT2U6VSEVJ6SKZTS7Q6NAFJT \
  | 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: ab513d53d5912a9f49599cbf0f34054cc479bbe2c594a065d1e5b7e89d72754e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c174ebc5e1304a59045c6bd17f4b1e2e22ba61790f73df4fb0895114b8cceeb",
    "cross_cats_sorted": [
      "math.AC",
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-03-31T19:52:12Z",
    "title_canon_sha256": "d92a6df6d45ec5e87061ffe8203ce2c436ce1b53a5431a87b5e58d49a9c90b9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.8148",
    "kind": "arxiv",
    "version": 2
  }
}