Pith Number

pith:HBSIEJYM

pith:2010:HBSIEJYMB2JJ5YGFNUL6D7F7PM

not attested not anchored not stored refs pending

GRB 090417B and its Host Galaxy: A Step Towards an Understanding of Optically-Dark Gamma-Ray Bursts

Bing Zhang, Boris Sbarufatti, Elisabet Leitet, Emmanuel Fonseca, Jay R. Cummings, Johan P. U. Fynbo, Martin Still, Pall Jakobsson, Patricia Schady, Peter W. A. Roming, Rongfeng Shen, Staffan Linne, Stephen T. Holland

arxiv:1005.1675 v1 · 2010-05-10 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HBSIEJYMB2JJ5YGFNUL6D7F7PM}

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	2026-05-18T04:19:12.401992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

386482270c0e929ee0c56d17e1fcbf7b1fe4bc7d90881d9863c548fb55e1a0aa

Aliases

arxiv: 1005.1675 · arxiv_version: 1005.1675v1 · doi: 10.48550/arxiv.1005.1675 · pith_short_12: HBSIEJYMB2JJ · pith_short_16: HBSIEJYMB2JJ5YGF · pith_short_8: HBSIEJYM

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/HBSIEJYMB2JJ5YGFNUL6D7F7PM \
  | 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: 386482270c0e929ee0c56d17e1fcbf7b1fe4bc7d90881d9863c548fb55e1a0aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "463b37bde1efd51aad2d0c6516df643e894ceddea00c0dcfec24531b6841d66e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-05-10T21:22:42Z",
    "title_canon_sha256": "39555c228834ecb43d19e8c68deb37749e1b9649111e31f867cf67a30b053752"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.1675",
    "kind": "arxiv",
    "version": 1
  }
}