Pith Number

pith:SPA3ZP6Z

pith:2009:SPA3ZP6Z4ICUVFGXJTYIIKKNLL

not attested not anchored not stored refs pending

Evidence for Supernova-Synthesised Dust from the Rising Afterglow of GRB 071025 at z~5

A. Antonelli, A. C. Updike, A. K\"upc\"u Yoldas, A. N. Morgan, C. R. Klein, Daniel A. Perley, D. H. Hartmann, G. G. Williams, J. Greiner, J. S. Bloom, J. X. Prochaska, L. Cowie, N. R. Butler, P. Afonso, P. A. Price, P. Ferrero, P. Milne, P. Wozniak, S. Covino, T. Kr\"uhler, T. Minezaki, W. T. Vestrand, Y. Kakazu, Y. Yoshii

arxiv:0912.2999 v2 · 2009-12-15 · astro-ph.HE · 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{SPA3ZP6Z4ICUVFGXJTYIIKKNLL}

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	2026-05-18T02:10:16.855738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93c1bcbfd9e2054a94d74cf084294d5ad599b0df244e92aeec8a02dae073698a

Aliases

arxiv: 0912.2999 · arxiv_version: 0912.2999v2 · doi: 10.48550/arxiv.0912.2999 · pith_short_12: SPA3ZP6Z4ICU · pith_short_16: SPA3ZP6Z4ICUVFGX · pith_short_8: SPA3ZP6Z

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/SPA3ZP6Z4ICUVFGXJTYIIKKNLL \
  | 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: 93c1bcbfd9e2054a94d74cf084294d5ad599b0df244e92aeec8a02dae073698a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c96b0e78979ae2d98d9cb36b566c0af0b43bdae1738ece26c1fddaeb25e664b",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-12-15T21:25:41Z",
    "title_canon_sha256": "25ead64bf6de8ae3d1683a60f4284a9c09d320d116df1bbe124972bd2837694e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2999",
    "kind": "arxiv",
    "version": 2
  }
}