Pith Number

pith:GCXKPSUN

pith:2015:GCXKPSUNNWTUEPMENVP37FH7PX

not attested not anchored not stored refs pending

Sussing Merger Trees: A proposed Merger Tree data format

Alexander Knebe, Andrew J. Benson, Aurel Schneider, Bruno Henriques, Chaichalit Srisawat, Darren Croton, Dylan Tweed, Frazer R. Pearce, Hanni Lux, Ilian T. Iliev, Julian Onions, Mark Neyrinck, Pascal Elahi, Peter A. Thomas, Vicente Rodriguez-Gomez, Yao-Yuan Mao

arxiv:1508.05388 v1 · 2015-08-21 · astro-ph.IM · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GCXKPSUNNWTUEPMENVP37FH7PX}

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	2026-05-18T01:34:54.061342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30aea7ca8d6da7423d846d5fbf94ff7dd18ef9a22dc60f3b481ff48ade9bea5c

Aliases

arxiv: 1508.05388 · arxiv_version: 1508.05388v1 · doi: 10.48550/arxiv.1508.05388 · pith_short_12: GCXKPSUNNWTU · pith_short_16: GCXKPSUNNWTUEPME · pith_short_8: GCXKPSUN

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/GCXKPSUNNWTUEPMENVP37FH7PX \
  | 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: 30aea7ca8d6da7423d846d5fbf94ff7dd18ef9a22dc60f3b481ff48ade9bea5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b33b03543b4f1d4562ab58fddaa00a176b85c5b46d49a871216b8e49a84bd39f",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-08-21T20:04:49Z",
    "title_canon_sha256": "a21bef234e6101291217f6aa891d2b0ea83b22c566219048d888acdb83881cd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05388",
    "kind": "arxiv",
    "version": 1
  }
}