pith. sign in
Pith Number

pith:EKNCFFQR

pith:2016:EKNCFFQRJEXOIACDGYLYCG2RKU
not attested not anchored not stored refs pending

Late-Time VLA Reobservations Rule Out ULIRG-Like Host Galaxies For Most Pre-Swift Long-Duration Gamma-Ray Bursts

Daniel A. Perley, Jens Hjorth, Nial R. Tanvir, Richard A. Perley

arxiv:1609.04015 v3 · 2016-09-13 · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{EKNCFFQRJEXOIACDGYLYCG2RKU}

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 2026-05-18T00:55:11.934663Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

229a229611492ee400433617811b515518b46206127ff3f85dc9d3a161ea749d

Aliases

arxiv: 1609.04015 · arxiv_version: 1609.04015v3 · doi: 10.48550/arxiv.1609.04015 · pith_short_12: EKNCFFQRJEXO · pith_short_16: EKNCFFQRJEXOIACD · pith_short_8: EKNCFFQR
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EKNCFFQRJEXOIACDGYLYCG2RKU \
  | 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: 229a229611492ee400433617811b515518b46206127ff3f85dc9d3a161ea749d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3fe42d6b97853861426e411773b91be2bf26ff05f1347a1e6607a21cb3ad6b09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-09-13T20:00:01Z",
    "title_canon_sha256": "6c90d1d4b79592fadf0953c00e4be437cd1189a175d39251e21b9ad67625b6ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.04015",
    "kind": "arxiv",
    "version": 3
  }
}