Pith Number

pith:WGN2ARYM

pith:2017:WGN2ARYMT2QQWNWD47CIAZC7AY

not attested not anchored not stored refs pending

Hyperaccreting Black Hole as Gamma-Ray Burst Central Engine. II. Temporal evolution of central engine parameters during Prompt and Afterglow Phases

Bing Zhang, En-Wei Liang, Wei-Hua Lei, Xue-Feng Wu

arxiv:1708.05043 v2 · 2017-08-16 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WGN2ARYMT2QQWNWD47CIAZC7AY}

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	2026-05-18T00:31:11.972902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b19ba0470c9ea10b36c3e7c480645f0624d28e24af64b626cdfece9c7d37cdb6

Aliases

arxiv: 1708.05043 · arxiv_version: 1708.05043v2 · doi: 10.48550/arxiv.1708.05043 · pith_short_12: WGN2ARYMT2QQ · pith_short_16: WGN2ARYMT2QQWNWD · pith_short_8: WGN2ARYM

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/WGN2ARYMT2QQWNWD47CIAZC7AY \
  | 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: b19ba0470c9ea10b36c3e7c480645f0624d28e24af64b626cdfece9c7d37cdb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c1701e34fee592f80a7bb42033bf7abb99166fae0805b725c55e03d6200eaa2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-08-16T19:15:29Z",
    "title_canon_sha256": "5f9e928ff3c90c665744ce197de731ec3f2043c7c7cad284e13d44930ec5a1d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.05043",
    "kind": "arxiv",
    "version": 2
  }
}