Pith. sign in
Pith Number

pith:SAMY4KGK

pith:2015:SAMY4KGKCN275CPTXVDLYBXCS5
not attested not anchored not stored refs pending

Constraints on the Bulk Lorentz Factors of GRB X-Ray Flares

Fa-Yin Wang, Shuang-Xi Yi, Xue-Feng Wu, Zi-Gao Dai

arxiv:1505.04233 v1 · 2015-05-16 · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{SAMY4KGKCN275CPTXVDLYBXCS5}

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 2026-05-18T01:36:53.467904Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

90198e28ca1375fe89f3bd46bc06e2974d0af78125744c5d20ba67e152065847

Aliases

arxiv: 1505.04233 · arxiv_version: 1505.04233v1 · doi: 10.48550/arxiv.1505.04233 · pith_short_12: SAMY4KGKCN27 · pith_short_16: SAMY4KGKCN275CPT · pith_short_8: SAMY4KGK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/SAMY4KGKCN275CPTXVDLYBXCS5 \
  | 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: 90198e28ca1375fe89f3bd46bc06e2974d0af78125744c5d20ba67e152065847
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0894f8a3d9f4e89ce5c97deeb7be67b71214706c3d1cd54b72113c3564d02f32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-05-16T02:24:51Z",
    "title_canon_sha256": "a93f709fede7c50104e2450f1ae0d89ae5d2180604b1920a24d7ac566fd6120a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04233",
    "kind": "arxiv",
    "version": 1
  }
}