Pith Number

pith:VBOTTIIX

pith:2009:VBOTTIIX6SZVIXPMXD64222S37

not attested not anchored not stored refs pending

GRB 090426: The Environment of a Rest-Frame 0.35-second Gamma-Ray Burst at Redshift z=2.609

Adam N. Morgan, Alexei V. Filippenko, Andrew Bunker, Daniel A. Perley, Dovi Poznanski, Emily M. Levesque, Hsiao-Wen Chen, Joseph Masiero, Joshua S. Bloom, J. Xavier Prochaska, Karl Glazebrook, Lisa J. Kewley, Maryam Modjaz, Nathaniel R. Butler, Ryan Chornock, S. Bradley Cenko, Sebastian Lopez

arxiv:0907.1661 v1 · 2009-07-09 · 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{VBOTTIIX6SZVIXPMXD64222S37}

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	2026-05-18T04:42:43.318231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a85d39a117f4b3545decb8fdcd6b52dfd9e610e18a7ec0a9d11cc56286ea15ee

Aliases

arxiv: 0907.1661 · arxiv_version: 0907.1661v1 · doi: 10.48550/arxiv.0907.1661 · pith_short_12: VBOTTIIX6SZV · pith_short_16: VBOTTIIX6SZVIXPM · pith_short_8: VBOTTIIX

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/VBOTTIIX6SZVIXPMXD64222S37 \
  | 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: a85d39a117f4b3545decb8fdcd6b52dfd9e610e18a7ec0a9d11cc56286ea15ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6aacef94979f187973f81f6279c09c2d594e715ed096f4ffb38a4e3716363a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-07-09T20:18:06Z",
    "title_canon_sha256": "aa86b4896140ae6c5dbbc31c46281a4422cbbbe39364d2f08983a3522e5f2fe8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1661",
    "kind": "arxiv",
    "version": 1
  }
}