Pith Number

pith:5SNBRHHS

pith:2016:5SNBRHHS6E2S2YHEAJ5MPK7CFZ

not attested not anchored not stored refs pending

On Determining if Tree-based Networks Contain Fixed Trees

Aisha Ashfaq, Corrine Yap, Ella Pavlechko, Joyce Chiu, Katherine St. John, Keith Thompson, Mahedi Kaiser, Maria Anaya, Max Shoji Ohsawa, Megan Owen, Olga Anipchenko-Ulaj, Shivam Suleria

arxiv:1602.02739 v1 · 2016-02-08 · q-bio.PE · 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{5SNBRHHS6E2S2YHEAJ5MPK7CFZ}

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	2026-05-18T01:21:09.045408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec9a189cf2f1352d60e4027ac7abe22e48e9abcd239be43b73f34234920026cb

Aliases

arxiv: 1602.02739 · arxiv_version: 1602.02739v1 · doi: 10.48550/arxiv.1602.02739 · pith_short_12: 5SNBRHHS6E2S · pith_short_16: 5SNBRHHS6E2S2YHE · pith_short_8: 5SNBRHHS

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/5SNBRHHS6E2S2YHEAJ5MPK7CFZ \
  | 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: ec9a189cf2f1352d60e4027ac7abe22e48e9abcd239be43b73f34234920026cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e08c818fb2f3fb419cb01d4466fdd8b8c2205d222bdedc0c5b5273c05129cf3",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2016-02-08T20:47:31Z",
    "title_canon_sha256": "8a3f9a8d0eddb969a93448581e91063d43e5bde27078cbf16d3099191944d046"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.02739",
    "kind": "arxiv",
    "version": 1
  }
}