Pith Number

pith:QP7OS3TD

pith:2017:QP7OS3TDOZGYSBEEAL5RRFTTJ3

not attested not anchored not stored refs pending

Edge-outer graph embedding and the complexity of the DNA reporter strand problem

Joanna A. Ellis-Monaghan, M. N. Ellingham

arxiv:1710.09048 v2 · 2017-10-25 · 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{QP7OS3TDOZGYSBEEAL5RRFTTJ3}

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	2026-05-17T23:54:03.187774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83fee96e63764d89048402fb1896734efaee8f995d370d267c9f9da34f3b7604

Aliases

arxiv: 1710.09048 · arxiv_version: 1710.09048v2 · doi: 10.48550/arxiv.1710.09048 · pith_short_12: QP7OS3TDOZGY · pith_short_16: QP7OS3TDOZGYSBEE · pith_short_8: QP7OS3TD

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/QP7OS3TDOZGYSBEEAL5RRFTTJ3 \
  | 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: 83fee96e63764d89048402fb1896734efaee8f995d370d267c9f9da34f3b7604

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "003c85061ad55ea22d2e0d875e2fb4c6881b0aa016ae43bfd9c3848b364e2b1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-10-25T02:04:23Z",
    "title_canon_sha256": "fd37769d9e07f174d41ac9aa0b0032917de3397358f5ad2335f9d30a7f52bc64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.09048",
    "kind": "arxiv",
    "version": 2
  }
}