Pith Number

pith:TNDKNIEP

pith:2017:TNDKNIEP27EWLLYUG6AYGFIE3B

not attested not anchored not stored refs pending

Colored Point-set Embeddings of Acyclic Graphs

Alfredo Navarra, Emilio Di Giacomo, Giuseppe Liotta, Leszek Gasieniec

arxiv:1708.09167 v1 · 2017-08-30 · 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{TNDKNIEP27EWLLYUG6AYGFIE3B}

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	2026-05-18T00:36:20.754530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b46a6a08fd7c965af143781831504d8538615588451ee3d7ec62c417a84c0ef

Aliases

arxiv: 1708.09167 · arxiv_version: 1708.09167v1 · doi: 10.48550/arxiv.1708.09167 · pith_short_12: TNDKNIEP27EW · pith_short_16: TNDKNIEP27EWLLYU · pith_short_8: TNDKNIEP

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/TNDKNIEP27EWLLYUG6AYGFIE3B \
  | 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: 9b46a6a08fd7c965af143781831504d8538615588451ee3d7ec62c417a84c0ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c90005ef5314b54f67917a44c8e15eb1d0e8269708ea0d7e51137c343222d1b",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-08-30T08:39:49Z",
    "title_canon_sha256": "637c4551ce549c83587f022162a0d6c71e6baa307c933d4c2c75dac67a728ffa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09167",
    "kind": "arxiv",
    "version": 1
  }
}