Pith Number

pith:3RCUGKX4

pith:2006:3RCUGKX4YULEAKH4G76Y3CUCWL

not attested not anchored not stored refs pending

Relative spectral lag: an new redshift indicator to measure the cosmos with gamma-ray bursts

Hai-Feng Gao, Jia-Gan Deng, Rui-Jing Lu, Zhi-Bin Zhang

arxiv:astro-ph/0603710 v2 · 2006-03-27 · 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{3RCUGKX4YULEAKH4G76Y3CUCWL}

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	2026-05-18T02:40:25.374631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc45432afcc5164028fc37fd8d8a82b2e186b4539933d18a25e9ec9eaa86f45b

Aliases

arxiv: astro-ph/0603710 · arxiv_version: astro-ph/0603710v2 · doi: 10.48550/arxiv.astro-ph/0603710 · pith_short_12: 3RCUGKX4YULE · pith_short_16: 3RCUGKX4YULEAKH4 · pith_short_8: 3RCUGKX4

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/3RCUGKX4YULEAKH4G76Y3CUCWL \
  | 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: dc45432afcc5164028fc37fd8d8a82b2e186b4539933d18a25e9ec9eaa86f45b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af35a051be4259727ca4cc98144893dc8a224980190a9c03690aea103fc8dbe9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-03-27T02:00:29Z",
    "title_canon_sha256": "2dd611dfd7035a2d101e2454a9808dd348a5902354738971b90f317bf0388b33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0603710",
    "kind": "arxiv",
    "version": 2
  }
}