Pith Number

pith:2OQKKFU5

pith:2018:2OQKKFU5N4R3BHGBYUQRHTGJMC

not attested not anchored not stored refs pending

GRB120729A: external shock origin for both the prompt gamma-ray emission and afterglow

Alexei V. Filippenko (UCB), Bing Zhang (UNLV), Da-bin Lin (GXU), En-Wei Liang (GXU), Hai-Ming Zhang (GXU), Li-Ye Huang (GXU), Shi-Qing Zhong (GXU), Weikang Zheng (UCB), Xiang-Gao Wang (GXU), Xiao-Li Huang (GXU)

arxiv:1804.02104 v1 · 2018-04-06 · 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{2OQKKFU5N4R3BHGBYUQRHTGJMC}

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	2026-05-18T00:12:17.633492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3a0a5169d6f23b09cc1c52113ccc9609299c8d069b78ff60913c576f5fdd96c

Aliases

arxiv: 1804.02104 · arxiv_version: 1804.02104v1 · doi: 10.48550/arxiv.1804.02104 · pith_short_12: 2OQKKFU5N4R3 · pith_short_16: 2OQKKFU5N4R3BHGB · pith_short_8: 2OQKKFU5

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/2OQKKFU5N4R3BHGBYUQRHTGJMC \
  | 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: d3a0a5169d6f23b09cc1c52113ccc9609299c8d069b78ff60913c576f5fdd96c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acd617864a4ea96d1484de531808fb7bd56028424fed74f8d7c9c3e1886ff4b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-04-06T01:36:04Z",
    "title_canon_sha256": "97b202c18504f5fcfc879458a88640abc60779cb7ba266e862f27a6131728264"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02104",
    "kind": "arxiv",
    "version": 1
  }
}