pith. sign in
Pith Number

pith:OKZPETEH

pith:2013:OKZPETEHNN6SXSFVAS6P4B5SL6
not attested not anchored not stored refs pending

The Blazar Emission Environment: Insight from Soft X-ray Absorption

A. Falcone, A. Furniss, D. A. Williams, M. Fumagalli

arxiv:1304.8018 v1 · 2013-04-30 · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OKZPETEHNN6SXSFVAS6P4B5SL6}

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 2026-05-18T01:50:14.067614Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

72b2f24c876b7d2bc8b504bcfe07b25fb69090752a2b584280a64699260209e0

Aliases

arxiv: 1304.8018 · arxiv_version: 1304.8018v1 · doi: 10.48550/arxiv.1304.8018 · pith_short_12: OKZPETEHNN6S · pith_short_16: OKZPETEHNN6SXSFV · pith_short_8: OKZPETEH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OKZPETEHNN6SXSFVAS6P4B5SL6 \
  | 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: 72b2f24c876b7d2bc8b504bcfe07b25fb69090752a2b584280a64699260209e0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2f16a8222d0e4dc0994d9f8cbcc9be36e315bae36cffdc1ecfd5c46f84a65cd9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-04-30T14:57:17Z",
    "title_canon_sha256": "827859649622e0b9740e5c3b4b8b812df27e57fb8aded4477b16732a8c20cdb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.8018",
    "kind": "arxiv",
    "version": 1
  }
}