Pith Number

pith:NHCTFZXS

pith:2022:NHCTFZXSHT5AU5JDTQG3LCATVK

not attested not anchored not stored refs pending

Applications of AI in Astronomy

A. A. Mahabal, A. Krone-Martins, K. Polsterer, M. J. Graham, S. G. Djorgovski

arxiv:2212.01493 v1 · 2022-12-03 · astro-ph.IM · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NHCTFZXSHT5AU5JDTQG3LCATVK}

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	2026-07-05T05:21:55.686904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69c532e6f23cfa0a75239c0db58813aa9d7bc39a40df06100d0da6b8b3b20571

Aliases

arxiv: 2212.01493 · arxiv_version: 2212.01493v1 · doi: 10.48550/arxiv.2212.01493 · pith_short_12: NHCTFZXSHT5A · pith_short_16: NHCTFZXSHT5AU5JD · pith_short_8: NHCTFZXS

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/NHCTFZXSHT5AU5JDTQG3LCATVK \
  | 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: 69c532e6f23cfa0a75239c0db58813aa9d7bc39a40df06100d0da6b8b3b20571

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c2b2c2087b34a08125966bf409f901a78c3937f88502d1c06997472ac4500f6",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-12-03T00:38:59Z",
    "title_canon_sha256": "f4cb75fbb831dcaf3d90769975bf7a54abf9a9d4da20f94013a2377663b98e6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.01493",
    "kind": "arxiv",
    "version": 1
  }
}