Pith Number

pith:ZLTQAS75

pith:2009:ZLTQAS75AMCW7SRB5SBVAR2446

not attested not anchored not stored refs pending

The X-ray absorbing column densities of Swift Gamma-ray bursts

A. de Ugarte Postigo, A. Moretti, C.C. Thone, G. Tagliaferri, S. Campana, S. Covino (Osservatorio Astronomico di Brera)

arxiv:0911.1214 v1 · 2009-11-06 · 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{ZLTQAS75AMCW7SRB5SBVAR2446}

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	2026-05-18T02:10:58.911642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cae7004bfd03056fca21ec8350475ce78e3fdddc0cfaa7e8535b00e49242610d

Aliases

arxiv: 0911.1214 · arxiv_version: 0911.1214v1 · doi: 10.48550/arxiv.0911.1214 · pith_short_12: ZLTQAS75AMCW · pith_short_16: ZLTQAS75AMCW7SRB · pith_short_8: ZLTQAS75

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/ZLTQAS75AMCW7SRB5SBVAR2446 \
  | 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: cae7004bfd03056fca21ec8350475ce78e3fdddc0cfaa7e8535b00e49242610d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a3d9f65e53ed4bbb9f78d9546547fcbfa01882099e09c798c92219fc15bdc31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-11-06T13:24:48Z",
    "title_canon_sha256": "5d71282b7852de44ce9a9371eefa5d7246fc59b0f14daa09e53ab2994f09a839"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1214",
    "kind": "arxiv",
    "version": 1
  }
}