Pith Number

pith:W7IDKDYS

pith:2011:W7IDKDYS362ZXLTOOLS2MABBTH

not attested not anchored not stored refs pending

Gamma-ray burst rate: high-redshift excess and its possible origins

Bing Zhang, Francisco J. Virgili, Jun-Hwan Choi, Kentaro Nagamine

arxiv:1105.4650 v2 · 2011-05-23 · 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{W7IDKDYS362ZXLTOOLS2MABBTH}

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	2026-05-18T02:21:49.998735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7d0350f12dfb59bae6e72e5a6002199e10ceeb46950e3d5b9bda07eff23771a

Aliases

arxiv: 1105.4650 · arxiv_version: 1105.4650v2 · doi: 10.48550/arxiv.1105.4650 · pith_short_12: W7IDKDYS362Z · pith_short_16: W7IDKDYS362ZXLTO · pith_short_8: W7IDKDYS

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/W7IDKDYS362ZXLTOOLS2MABBTH \
  | 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: b7d0350f12dfb59bae6e72e5a6002199e10ceeb46950e3d5b9bda07eff23771a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69cce9c9b790e77f0880857d6c2262df9d24ef553fd680ebfad60fc79a8c86ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-05-23T22:33:37Z",
    "title_canon_sha256": "a9492d214aa5b683a947c3ad0f2b0560bd58f23a8dffa7e5845c510f7d461114"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4650",
    "kind": "arxiv",
    "version": 2
  }
}