Pith Number

pith:WADEJG3A

pith:2021:WADEJG3AV7OP3YFCEEYU2YI745

not attested not anchored not stored refs pending

Transition of the initial mass function in the metal-poor environments

Kazuyuki Omukai, Raffaella Schneider, Sunmyon Chon

arxiv:2103.04997 v2 · 2021-03-08 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WADEJG3AV7OP3YFCEEYU2YI745}

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	2026-07-05T03:14:11.621995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b006449b60afdcfde0a221314d611fe7451d2800a096bb4335165601e87ed90b

Aliases

arxiv: 2103.04997 · arxiv_version: 2103.04997v2 · doi: 10.48550/arxiv.2103.04997 · pith_short_12: WADEJG3AV7OP · pith_short_16: WADEJG3AV7OP3YFC · pith_short_8: WADEJG3A

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/WADEJG3AV7OP3YFCEEYU2YI745 \
  | 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: b006449b60afdcfde0a221314d611fe7451d2800a096bb4335165601e87ed90b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4abcbe886e2b84440ab7845e69fe93ba58b50fe503911f0c0e8504c8bf9fd4f",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-03-08T19:00:00Z",
    "title_canon_sha256": "bdfbef433515fb124dc8d2b4e36360462016e03e000ee59ba8db80e721e7917c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.04997",
    "kind": "arxiv",
    "version": 2
  }
}