Pith Number

pith:BYHKNVS5

pith:2011:BYHKNVS5FMEJLLRB4J46DGPSZZ

not attested not anchored not stored refs pending

The X-ray absorbing column density of a complete sample of bright Swift Gamma-Ray Bursts

A. Melandri, B. Sbarufatti, D. Fugazza, G. Ghisellini, G. Tagliaferri, P. D'Avanzo, R. Salvaterra, S. Campana, S. Covino, S. D. Vergani

arxiv:1112.5111 v3 · 2011-12-21 · 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{BYHKNVS5FMEJLLRB4J46DGPSZZ}

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	2026-05-18T01:59:03.782078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e0ea6d65d2b0895ae21e279e199f2ce758f5bad1f7b588d732d65437630a93d

Aliases

arxiv: 1112.5111 · arxiv_version: 1112.5111v3 · doi: 10.48550/arxiv.1112.5111 · pith_short_12: BYHKNVS5FMEJ · pith_short_16: BYHKNVS5FMEJLLRB · pith_short_8: BYHKNVS5

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/BYHKNVS5FMEJLLRB4J46DGPSZZ \
  | 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: 0e0ea6d65d2b0895ae21e279e199f2ce758f5bad1f7b588d732d65437630a93d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fd892884081be6c6f23666dc2935b9ca0087256239cfcbd4ba25c30a05aa696",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-12-21T17:53:45Z",
    "title_canon_sha256": "2383b0fb8740ed5d42a32c1b8801a41fccdc945bebd80fb80bd15676ee4ba0e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5111",
    "kind": "arxiv",
    "version": 3
  }
}