Pith Number

pith:EN5QGU3H

pith:2018:EN5QGU3HOFWTM6WS742S5VJWSO

not attested not anchored not stored refs pending

On the Detection of Supermassive Primordial Stars

Alexander Heger, Daniel J. Whalen, Erik Zackrisson, Lionel Haemmerl\'e, Marco Surace, Samuel Patrick, S. C. O. Glover, Tilman Hartwig, Tyrone E. Woods

arxiv:1811.08911 v2 · 2018-11-21 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EN5QGU3HOFWTM6WS742S5VJWSO}

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	2026-05-17T23:57:37.325569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

237b035367716d367ad2ff352ed53693ac581866fc9a213c0d95189a4e30ecef

Aliases

arxiv: 1811.08911 · arxiv_version: 1811.08911v2 · doi: 10.48550/arxiv.1811.08911 · pith_short_12: EN5QGU3HOFWT · pith_short_16: EN5QGU3HOFWTM6WS · pith_short_8: EN5QGU3H

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/EN5QGU3HOFWTM6WS742S5VJWSO \
  | 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: 237b035367716d367ad2ff352ed53693ac581866fc9a213c0d95189a4e30ecef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d94a4db78f439d7cf112bddf51e11c1aebfe361ca880227854c60a04923b9ed8",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-21T19:00:07Z",
    "title_canon_sha256": "6f5f47108773638b13fd313965c1adbeb29e9eeba87bd0a7e5edd38faa2d3686"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.08911",
    "kind": "arxiv",
    "version": 2
  }
}