Pith Number

pith:TTBSRXIP

pith:2016:TTBSRXIPCL6JJSHCHVDRFMDA5L

not attested not anchored not stored refs pending

Refining the Hierarchies of Classes of Geometric Intersection Graphs

Miha Jej\v{c}i\v{c}, Sergio Cabello

arxiv:1603.08974 v2 · 2016-03-29 · 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{TTBSRXIPCL6JJSHCHVDRFMDA5L}

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	2026-05-18T00:51:37.451420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cc328dd0f12fc94c8e23d4712b060eaf8199d21adc1e99b83b09b8ad2f59579

Aliases

arxiv: 1603.08974 · arxiv_version: 1603.08974v2 · doi: 10.48550/arxiv.1603.08974 · pith_short_12: TTBSRXIPCL6J · pith_short_16: TTBSRXIPCL6JJSHC · pith_short_8: TTBSRXIP

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/TTBSRXIPCL6JJSHCHVDRFMDA5L \
  | 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: 9cc328dd0f12fc94c8e23d4712b060eaf8199d21adc1e99b83b09b8ad2f59579

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c5bfa030cf528accfcc27ce231c607a6b7ac595c5ff02ddf4741a439f45e7ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-03-29T21:29:27Z",
    "title_canon_sha256": "1432abbc3fc06302b3c47c987d45ba7276450725ec8c0ad8d4af10c597ec13fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.08974",
    "kind": "arxiv",
    "version": 2
  }
}