Pith Number

pith:PJGZ7TGV

pith:2017:PJGZ7TGVYHNTMTKMCKN535S62R

not attested not anchored not stored refs pending

Almost disjoint spanning trees: relaxing the conditions for completely independent spanning trees

Benoit Darties (Le2i), Nicolas Gastineau (LAMSADE), Olivier Togni (Le2i)

arxiv:1702.08289 v1 · 2017-02-27 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PJGZ7TGVYHNTMTKMCKN535S62R}

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	2026-05-18T00:49:55.359537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a4d9fccd5c1db364d4c129bddf65ed477678bc7e8eab9105b32519ba3fce2f0

Aliases

arxiv: 1702.08289 · arxiv_version: 1702.08289v1 · doi: 10.48550/arxiv.1702.08289 · pith_short_12: PJGZ7TGVYHNT · pith_short_16: PJGZ7TGVYHNTMTKM · pith_short_8: PJGZ7TGV

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/PJGZ7TGVYHNTMTKMCKN535S62R \
  | 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: 7a4d9fccd5c1db364d4c129bddf65ed477678bc7e8eab9105b32519ba3fce2f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57a051e0852eb84ac8362b86c974bc4efe27d7a79632b83f9ce623c278558c29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2017-02-27T14:03:33Z",
    "title_canon_sha256": "415dcf4be063f1f06d8c3779595691a759bfb121681a9768097707e9c1e2d8b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.08289",
    "kind": "arxiv",
    "version": 1
  }
}