Pith Number

pith:RNGF7TFD

pith:2014:RNGF7TFDS4EMWYIIX7K52RGSHN

not attested not anchored not stored refs pending

On Minimum Average Stretch Spanning Trees in Polygonal 2-trees

G. Ramakrishna, N.S. Narayanaswamy

arxiv:1401.0432 v2 · 2014-01-02 · 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{RNGF7TFDS4EMWYIIX7K52RGSHN}

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	2026-05-18T02:54:20.974725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b4c5fcca39708cb6108bfd5dd44d23b6044d4ced523338ea425f236f46c6523

Aliases

arxiv: 1401.0432 · arxiv_version: 1401.0432v2 · doi: 10.48550/arxiv.1401.0432 · pith_short_12: RNGF7TFDS4EM · pith_short_16: RNGF7TFDS4EMWYII · pith_short_8: RNGF7TFD

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/RNGF7TFDS4EMWYIIX7K52RGSHN \
  | 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: 8b4c5fcca39708cb6108bfd5dd44d23b6044d4ced523338ea425f236f46c6523

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "179db819adf8c07907af535161ebfebb827d0c4e9a0e521c0f74cf9514838202",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-01-02T13:31:13Z",
    "title_canon_sha256": "ccd156f035bb20a21528ce64792c1045fd3d800e501c11fb589d816b7539c1bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0432",
    "kind": "arxiv",
    "version": 2
  }
}