Pith Number

pith:3VQQ4RTQ

pith:2017:3VQQ4RTQ4LUSTABDIFRUDSWTOL

not attested not anchored not stored refs pending

A unified treatment of linked and lean tree-decompositions

Joshua Erde

arxiv:1703.03756 v1 · 2017-03-10 · 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{3VQQ4RTQ4LUSTABDIFRUDSWTOL}

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	2026-05-18T00:48:55.856417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd610e4670e2e9298023416341cad372da3d9511ed0359c97a796fac6087fba6

Aliases

arxiv: 1703.03756 · arxiv_version: 1703.03756v1 · doi: 10.48550/arxiv.1703.03756 · pith_short_12: 3VQQ4RTQ4LUS · pith_short_16: 3VQQ4RTQ4LUSTABD · pith_short_8: 3VQQ4RTQ

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/3VQQ4RTQ4LUSTABDIFRUDSWTOL \
  | 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: dd610e4670e2e9298023416341cad372da3d9511ed0359c97a796fac6087fba6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48c09b2674a6478d225c68d4043dfc62eab93082cef5e33dce384cec426f670b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-03-10T16:41:22Z",
    "title_canon_sha256": "cc7b907fa4d0950033f05d1a5718e8f98632984fcc69ff281d3f0ea1f6abc651"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.03756",
    "kind": "arxiv",
    "version": 1
  }
}