Pith Number

pith:PVIH52XK

pith:2019:PVIH52XKVJUXXO7VY6D4P2HOF2

not attested not anchored not stored refs pending

Probing the existence of very massive first stars

A. Skuladottir, E. Caffau, M. Spite, P. Bonifacio, S. Andreevsky, S. Korotin, S. Salvadori

arxiv:1906.00994 v1 · 2019-06-03 · 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{PVIH52XKVJUXXO7VY6D4P2HOF2}

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.

Cited by

1 paper in Pith

Introducing the Lumina project: large-volume radiation-hydrodynamic simulations of the epochs of hydrogen and helium reionization

Receipt and verification

First computed	2026-05-17T23:44:18.154023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d507eeaeaaa697bbbf5c787c7e8ee2e9103d6439bd69a172ee33640c5a16e85

Aliases

arxiv: 1906.00994 · arxiv_version: 1906.00994v1 · doi: 10.48550/arxiv.1906.00994 · pith_short_12: PVIH52XKVJUX · pith_short_16: PVIH52XKVJUXXO7V · pith_short_8: PVIH52XK

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/PVIH52XKVJUXXO7VY6D4P2HOF2 \
  | 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: 7d507eeaeaaa697bbbf5c787c7e8ee2e9103d6439bd69a172ee33640c5a16e85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adfa3b60d264fac7599199b05ea98fd641258c398ff0bf070b4ea9b4719c3bb4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-06-03T18:00:27Z",
    "title_canon_sha256": "f5795a55ad962408b7be70dda0279390c3e7f2aa985f562d89e41cbc0c9231f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.00994",
    "kind": "arxiv",
    "version": 1
  }
}