Pith Number

pith:VI4A4JI5

pith:2008:VI4A4JI5RM2T62KC5ZDY4VYP4U

not attested not anchored not stored refs pending

The 2175 A dust feature in a Gamma Ray Burst afterglow at redshift 2.45

A. K\"upc\"u Yolda\c{s}, A. Yolda\c{s}, C. Clemens, G. P. Szokoly, J. Greiner, N. Primak, S. McBreen, S. Savaglio, T. Kr\"uhler

arxiv:0805.2824 v1 · 2008-05-19 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VI4A4JI5RM2T62KC5ZDY4VYP4U}

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	2026-05-18T03:46:04.304253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa380e251d8b353f6942ee478e570fe52ca67fbb9880440224bc583938e5d272

Aliases

arxiv: 0805.2824 · arxiv_version: 0805.2824v1 · doi: 10.48550/arxiv.0805.2824 · pith_short_12: VI4A4JI5RM2T · pith_short_16: VI4A4JI5RM2T62KC · pith_short_8: VI4A4JI5

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/VI4A4JI5RM2T62KC5ZDY4VYP4U \
  | 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: aa380e251d8b353f6942ee478e570fe52ca67fbb9880440224bc583938e5d272

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f48e88d91203f20bba3366f575b2b546147410fe7ae357fca11839c668872c8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-05-19T09:54:14Z",
    "title_canon_sha256": "619adfc2949e99cd6432e4c5b165c692333ff6688c93cb552eb5590c42a4bff3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.2824",
    "kind": "arxiv",
    "version": 1
  }
}