Pith Number

pith:SAXY4HSN

pith:2018:SAXY4HSNJW7FALVX3Q4QAK6BKC

not attested not anchored not stored refs pending

Integrating human and machine intelligence in galaxy morphology classification tasks

B. D. Simmons, Chris J. Lintott, Claudia Scarlata, Darryl Wright, Hugh Dickinson, Karen L. Masters, Kyle W. Willett, Lucy F. Fortson, Melanie A. Galloway, Melanie R. Beck, Philip J. Marshall

arxiv:1802.08713 v1 · 2018-02-23 · astro-ph.IM · 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{SAXY4HSNJW7FALVX3Q4QAK6BKC}

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	2026-05-18T00:20:34.936120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

902f8e1e4d4dbe502eb7dc39002bc1509fb12b0f81a15152bd32906046960c12

Aliases

arxiv: 1802.08713 · arxiv_version: 1802.08713v1 · doi: 10.48550/arxiv.1802.08713 · pith_short_12: SAXY4HSNJW7F · pith_short_16: SAXY4HSNJW7FALVX · pith_short_8: SAXY4HSN

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/SAXY4HSNJW7FALVX3Q4QAK6BKC \
  | 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: 902f8e1e4d4dbe502eb7dc39002bc1509fb12b0f81a15152bd32906046960c12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02bfe3b071dd158234338d2e19cadac0f8ca716834b53af6dcac8120353445c4",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-02-23T19:43:09Z",
    "title_canon_sha256": "3170cc2639cae930e0e23c51b00ea78867728ef182b6614b4158da94f7d2f805"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08713",
    "kind": "arxiv",
    "version": 1
  }
}