Pith Number

pith:EMFALKZZ

pith:2010:EMFALKZZCFJOPUWE52MN65FAUD

not attested not anchored not stored refs pending

A revision of the X-ray absorption nature of the BALQSOs

A. Streblyanska, F. J. Carrera, R. Gil-Merino, X. Barcons

arxiv:1002.0723 v2 · 2010-02-03 · 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{EMFALKZZCFJOPUWE52MN65FAUD}

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	2026-05-18T02:09:20.364861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

230a05ab391152e7d2c4ee98df74a0a0c2744aabe820c5031f713205249d8a79

Aliases

arxiv: 1002.0723 · arxiv_version: 1002.0723v2 · doi: 10.48550/arxiv.1002.0723 · pith_short_12: EMFALKZZCFJO · pith_short_16: EMFALKZZCFJOPUWE · pith_short_8: EMFALKZZ

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/EMFALKZZCFJOPUWE52MN65FAUD \
  | 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: 230a05ab391152e7d2c4ee98df74a0a0c2744aabe820c5031f713205249d8a79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69b62d3cd737bef9e25f5c72bc2dbdc1fe475bd4795ecad84402e2c00d876632",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-03T13:14:47Z",
    "title_canon_sha256": "fc46b9cda973036d4a978e1468b3d90d38e9b61ef80b067a918c4e9444ad849d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0723",
    "kind": "arxiv",
    "version": 2
  }
}