Pith Number

pith:LKDSJBS3

pith:2012:LKDSJBS3ZCKSAPQQJMDXZ4DVAA

not attested not anchored not stored refs pending

Helium in natal HII regions: the origin of the X-ray absorption in gamma-ray burst afterglows

(2) LAM-CNRS, (3) IAA-CSIC, (4) U. Iceland, 5), (5) OKC, Anja C. Andersen (1), Daniele Malesani (1) ((1) DARK, Darach Watson (1), Giorgos Leloudas (1, Javier Gorosabel (3), Jens Hjorth (1), Johan P. U. Fynbo (1), P\'all Jakobsson (4), Peter Laursen (1), Tayyaba Zafar (2), Thomas Kr\"uhler (1), U. Copenhagen, U. Stockholm)

arxiv:1212.4492 v1 · 2012-12-18 · astro-ph.CO · 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{LKDSJBS3ZCKSAPQQJMDXZ4DVAA}

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.

Cited by

1 paper in Pith

On the quenching of LRD X-ray emission by both Compton-thick gas and high accretion rates

Receipt and verification

First computed	2026-05-18T01:52:30.797921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a8724865bc895203e104b077cf0750033c30df9c7a98b93f74d5a45e632d515

Aliases

arxiv: 1212.4492 · arxiv_version: 1212.4492v1 · doi: 10.48550/arxiv.1212.4492 · pith_short_12: LKDSJBS3ZCKS · pith_short_16: LKDSJBS3ZCKSAPQQ · pith_short_8: LKDSJBS3

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/LKDSJBS3ZCKSAPQQJMDXZ4DVAA \
  | 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: 5a8724865bc895203e104b077cf0750033c30df9c7a98b93f74d5a45e632d515

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfef5eeade56281b1a5558b5c980101afcfba3122f83d3f5e983296386e4949d",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-12-18T21:00:00Z",
    "title_canon_sha256": "76770ccc4116daee7b34bd2c67b4ed1253edda962e770f62193e4c8ae521825b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.4492",
    "kind": "arxiv",
    "version": 1
  }
}