Pith Number

pith:UNKIZLXO

pith:2021:UNKIZLXOUC2A4BTVPNFLQQRIHD

not attested not anchored not stored refs pending

Can Romeo and Juliet Meet? Or Rendezvous Games with Adversaries on Graphs

Dimitrios M. Thilikos, Fedor V. Fomin, Petr A. Golovach

arxiv:2102.13409 v2 · 2021-02-26 · cs.DM · cs.CC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UNKIZLXOUC2A4BTVPNFLQQRIHD}

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	2026-07-05T02:22:07.388329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3548caeeea0b40e06757b4ab8422838e252228f183495ce51f658a6b0cfea7b

Aliases

arxiv: 2102.13409 · arxiv_version: 2102.13409v2 · doi: 10.48550/arxiv.2102.13409 · pith_short_12: UNKIZLXOUC2A · pith_short_16: UNKIZLXOUC2A4BTV · pith_short_8: UNKIZLXO

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/UNKIZLXOUC2A4BTVPNFLQQRIHD \
  | 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: a3548caeeea0b40e06757b4ab8422838e252228f183495ce51f658a6b0cfea7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47556dde01405151f45512da25a395568ca1be71bf6909a29d49e45e76c37297",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2021-02-26T11:38:16Z",
    "title_canon_sha256": "0ffd05e0cd202d6032ef7605feb633ea0c9971530345c9e6819b1f7c754e5528"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.13409",
    "kind": "arxiv",
    "version": 2
  }
}