Pith Number

pith:6E6JX3JW

pith:2009:6E6JX3JWEPKLIQ7RGSVLA646RY

not attested not anchored not stored refs pending

GRB090111: extra soft steep decay emission and peculiar re-brightening

C. Guidorzi, D. Burrows, F. Pasotti, G. Chincarini, J. Mao, N. Gehrels, P. D'Avanzo, R. Margutti, S. Campana, S.D. Barthelmy, T. Sakamoto

arxiv:0908.4452 v1 · 2009-08-31 · 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{6E6JX3JWEPKLIQ7RGSVLA646RY}

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	2026-05-18T02:12:12.809242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f13c9bed3623d4b443f134aab07b9e8e01d895c28bc78eaf64a434e5ad14b0ff

Aliases

arxiv: 0908.4452 · arxiv_version: 0908.4452v1 · doi: 10.48550/arxiv.0908.4452 · pith_short_12: 6E6JX3JWEPKL · pith_short_16: 6E6JX3JWEPKLIQ7R · pith_short_8: 6E6JX3JW

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/6E6JX3JWEPKLIQ7RGSVLA646RY \
  | 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: f13c9bed3623d4b443f134aab07b9e8e01d895c28bc78eaf64a434e5ad14b0ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ff72daae757b148378cb0321805387a34b986ce6e736d8c1f5dc03d7477930f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-08-31T13:23:44Z",
    "title_canon_sha256": "901e3baf3fbb92d9ecc0e0ac1b0ea6454bd89001432d6ec0c15c045b146e4620"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.4452",
    "kind": "arxiv",
    "version": 1
  }
}