Pith Number

pith:HXMVVSG6

pith:2016:HXMVVSG64RLWNNWQ2ARFZHS4LQ

not attested not anchored not stored refs pending

Intersection Graphs of Rays and Grounded Segments

Birgit Vogtenhuber, Casey Tompkins, Jean Cardinal, Stefan Felsner, Tillmann Miltzow

arxiv:1612.03638 v1 · 2016-12-12 · cs.DM · cs.CC · cs.CG · 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{HXMVVSG64RLWNNWQ2ARFZHS4LQ}

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	2026-05-18T00:55:18.704690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3dd95ac8dee45766b6d0d0225c9e5c5c011cd762d8bd4cfca0041c4b76e6c44b

Aliases

arxiv: 1612.03638 · arxiv_version: 1612.03638v1 · doi: 10.48550/arxiv.1612.03638 · pith_short_12: HXMVVSG64RLW · pith_short_16: HXMVVSG64RLWNNWQ · pith_short_8: HXMVVSG6

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/HXMVVSG64RLWNNWQ2ARFZHS4LQ \
  | 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: 3dd95ac8dee45766b6d0d0225c9e5c5c011cd762d8bd4cfca0041c4b76e6c44b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "746d416e4a6d9e4fdc3879682aa9b4c9d1501aa5d01ed534421def48a0944495",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.CG",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2016-12-12T12:10:02Z",
    "title_canon_sha256": "106f73bd02a677f7331d8abc68f88a0172b3b965d901c2fd68e1b677116a15da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.03638",
    "kind": "arxiv",
    "version": 1
  }
}