Pith. sign in
Pith Number

pith:5EWECZ7X

pith:2005:5EWECZ7XH6LLO27P53RTJ4YCCW
not attested not anchored not stored refs pending

On the Collapsar Model of Long Gamma-Ray Bursts: Constraints from Cosmic Metallicity Evolution

C.A. Norman, N. Langer

arxiv:astro-ph/0512271 v1 · 2005-12-11 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{5EWECZ7XH6LLO27P53RTJ4YCCW}

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

4 papers in Pith

Receipt and verification
First computed 2026-07-04T17:14:43.066395Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e92c4167f73f96b76befeee334f302159fb24c14b99d9c2e2a4408eb28ae2723

Aliases

arxiv: astro-ph/0512271 · arxiv_version: astro-ph/0512271v1 · doi: 10.48550/arxiv.astro-ph/0512271 · pith_short_12: 5EWECZ7XH6LL · pith_short_16: 5EWECZ7XH6LLO27P · pith_short_8: 5EWECZ7X
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/5EWECZ7XH6LLO27P53RTJ4YCCW \
  | 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: e92c4167f73f96b76befeee334f302159fb24c14b99d9c2e2a4408eb28ae2723
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b95cfa0f31fbe8367dce2a8652f9f94e5793afa6184ed537c5484f08e4a5726c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-12-11T09:22:59Z",
    "title_canon_sha256": "05d19fcd6eefdd73a67949874b4c1188132f55909d50e2af5147103dee7b3e8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0512271",
    "kind": "arxiv",
    "version": 1
  }
}