Pith Number

pith:CNC5BDY5

pith:2023:CNC5BDY5B4M775XLEV6NMKZ5YV

not attested not anchored not stored refs pending

Can massive stars form in low mass clouds?

Jamie D. Smith, Martin G. H. Krause, Sarah E. Jaffa

arxiv:2309.05635 v2 · 2023-09-11 · 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{CNC5BDY5B4M775XLEV6NMKZ5YV}

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	2026-07-05T06:55:05.963799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1345d08f1d0f19fff6eb257cd62b3dc553dff8824ccc039b2204100689751329

Aliases

arxiv: 2309.05635 · arxiv_version: 2309.05635v2 · doi: 10.48550/arxiv.2309.05635 · pith_short_12: CNC5BDY5B4M7 · pith_short_16: CNC5BDY5B4M775XL · pith_short_8: CNC5BDY5

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/CNC5BDY5B4M775XLEV6NMKZ5YV \
  | 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: 1345d08f1d0f19fff6eb257cd62b3dc553dff8824ccc039b2204100689751329

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f78a2108fd64d383e2d2e46783c085755b93676cf52d525feef4a6504753e5f6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-09-11T17:27:17Z",
    "title_canon_sha256": "8a88aa0237ef92dd5fb93ef8e4444aa383b10fed2820c23fa6c8a22dbd178253"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.05635",
    "kind": "arxiv",
    "version": 2
  }
}