Pith Number

pith:TWFQ3AK3

pith:2016:TWFQ3AK3FCOCLLVDPI7S4F2XQQ

not attested not anchored not stored refs pending

Low Ply Drawings of Trees

Antonios Symvonis, Jaroslav Han\v{c}l Jr., Michael A. Bekos, Michael Kaufmann, Patrizio Angelini, Pavel Valtr, Stephen Kobourov, Till Bruckdorfer

arxiv:1608.08538 v2 · 2016-08-30 · 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{TWFQ3AK3FCOCLLVDPI7S4F2XQQ}

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	2026-05-18T01:06:23.998335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d8b0d815b289c25aea37a3f2e175784326c8dc3f72012fe7cc6b0417894abcc

Aliases

arxiv: 1608.08538 · arxiv_version: 1608.08538v2 · doi: 10.48550/arxiv.1608.08538 · pith_short_12: TWFQ3AK3FCOC · pith_short_16: TWFQ3AK3FCOCLLVD · pith_short_8: TWFQ3AK3

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/TWFQ3AK3FCOCLLVDPI7S4F2XQQ \
  | 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: 9d8b0d815b289c25aea37a3f2e175784326c8dc3f72012fe7cc6b0417894abcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d91380b8da8787fab0fffa493258ca8000ab9933c7e840db9257274b5f169457",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-08-30T16:14:42Z",
    "title_canon_sha256": "31a1f00eb8e6e381b186e3fa1f371a5eda69f300804562a1af2b07f24b4cbd58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.08538",
    "kind": "arxiv",
    "version": 2
  }
}