Pith Number

pith:DPCSNS6C

pith:2017:DPCSNS6CGUXPEIDWE4NFCYKUOG

not attested not anchored not stored refs pending

On $t$-perfect triangulations of the projective plane

Elke Fuchs, Laura Gellert

arxiv:1702.03175 v2 · 2017-02-10 · 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{DPCSNS6CGUXPEIDWE4NFCYKUOG}

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	2026-05-18T00:50:51.619347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bc526cbc2352ef22076271a51615471ba24fce8a8e4934d58e71a1ead4f7457

Aliases

arxiv: 1702.03175 · arxiv_version: 1702.03175v2 · doi: 10.48550/arxiv.1702.03175 · pith_short_12: DPCSNS6CGUXP · pith_short_16: DPCSNS6CGUXPEIDW · pith_short_8: DPCSNS6C

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/DPCSNS6CGUXPEIDWE4NFCYKUOG \
  | 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: 1bc526cbc2352ef22076271a51615471ba24fce8a8e4934d58e71a1ead4f7457

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d656c66f14aa3b7de0111d86afe842dacea4428cd2e7513bb6e42e85b7c10c1a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-02-10T14:05:31Z",
    "title_canon_sha256": "6da96e6b8420e112d09aa14534a16223a63f825692eca3b8e625ac52a136a821"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.03175",
    "kind": "arxiv",
    "version": 2
  }
}