Pith Number

pith:LILDVOPG

pith:2013:LILDVOPGPXSJLFTV7IHO7IM7QP

not attested not anchored not stored refs pending

On the Non-existence of a Sharp Cooling Break in GRB Afterglow Spectra

Bing Zhang, Z. Lucas Uhm

arxiv:1301.0291 v2 · 2013-01-02 · 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{LILDVOPGPXSJLFTV7IHO7IM7QP}

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	2026-05-18T01:52:22.169744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a163ab9e67de4959675fa0eefa19f83d98adc96770973ab603596aa07bb125e

Aliases

arxiv: 1301.0291 · arxiv_version: 1301.0291v2 · doi: 10.48550/arxiv.1301.0291 · pith_short_12: LILDVOPGPXSJ · pith_short_16: LILDVOPGPXSJLFTV · pith_short_8: LILDVOPG

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/LILDVOPGPXSJLFTV7IHO7IM7QP \
  | 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: 5a163ab9e67de4959675fa0eefa19f83d98adc96770973ab603596aa07bb125e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c58be971d122833d6a348893f14be50ba030552b335bbf96cf150f37615cf5a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-01-02T19:00:56Z",
    "title_canon_sha256": "c73f6f7670c7b5558f80ba2f48d50e61c8f1aabfc7c210e57690fd9a7b2df5eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0291",
    "kind": "arxiv",
    "version": 2
  }
}