Pith Number

pith:RJOD73TS

pith:2017:RJOD73TSAKAFBXV5Z5ZTJWQB6E

not attested not anchored not stored refs pending

On tope graphs of complexes of oriented matroids

Kolja Knauer, Tilen Marc

arxiv:1701.05525 v3 · 2017-01-19 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RJOD73TSAKAFBXV5Z5ZTJWQB6E}

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	2026-05-17T23:45:00.303959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a5c3fee72028050debdcf7334da01f12a2e4531236e98de565430a1658066c4

Aliases

arxiv: 1701.05525 · arxiv_version: 1701.05525v3 · doi: 10.48550/arxiv.1701.05525 · pith_short_12: RJOD73TSAKAF · pith_short_16: RJOD73TSAKAFBXV5 · pith_short_8: RJOD73TS

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/RJOD73TSAKAFBXV5Z5ZTJWQB6E \
  | 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: 8a5c3fee72028050debdcf7334da01f12a2e4531236e98de565430a1658066c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca9e5db75eb5cb80acc741e58800ad80b2c10b462e4badf522823a0212242b93",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-01-19T17:47:03Z",
    "title_canon_sha256": "2a551e616afd87ee97d462e439a99e08cd52afbe6063fdc7d67072cf71373687"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05525",
    "kind": "arxiv",
    "version": 3
  }
}