Pith Number

pith:XXNF7IBQ

pith:2017:XXNF7IBQCQGW5JT2K2KA7EPVSO

not attested not anchored not stored refs pending

Identifying and Analysing Protostellar Disc Fragments in Smoothed Particle Hydrodynamics Simulations

Cassandra Hall, Duncan Forgan, Ken Rice

arxiv:1705.06690 v1 · 2017-05-18 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XXNF7IBQCQGW5JT2K2KA7EPVSO}

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	2026-05-18T00:39:34.978563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdda5fa030140d6ea67a56940f91f593b92e3fc115c3523b6edf23daf8e282c7

Aliases

arxiv: 1705.06690 · arxiv_version: 1705.06690v1 · doi: 10.48550/arxiv.1705.06690 · pith_short_12: XXNF7IBQCQGW · pith_short_16: XXNF7IBQCQGW5JT2 · pith_short_8: XXNF7IBQ

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/XXNF7IBQCQGW5JT2K2KA7EPVSO \
  | 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: bdda5fa030140d6ea67a56940f91f593b92e3fc115c3523b6edf23daf8e282c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f484c6ea61180f493b1286f8b6c6c1066bd7bb2178063ae4cd5b0a2993cf9a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-05-18T16:47:11Z",
    "title_canon_sha256": "e68cd9371ff10b32886abb8e6aa02b7114cb44b437205ff14cc0750c2058b58c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.06690",
    "kind": "arxiv",
    "version": 1
  }
}