Pith Number

pith:QLVIDRLQ

pith:2015:QLVIDRLQFJHBAACJVOJXGTWGFH

not attested not anchored not stored refs pending

Is HE 0436-4717 Anemic? A deep look at a bare Seyfert 1 galaxy

K. Bonson, L. C. Gallo, R. Vasudevan

arxiv:1502.07958 v1 · 2015-02-27 · 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{QLVIDRLQFJHBAACJVOJXGTWGFH}

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	2026-05-18T01:40:54.102461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82ea81c5702a4e100049ab93734ec629df86e50ef643be95e33b4b6a7c00479c

Aliases

arxiv: 1502.07958 · arxiv_version: 1502.07958v1 · doi: 10.48550/arxiv.1502.07958 · pith_short_12: QLVIDRLQFJHB · pith_short_16: QLVIDRLQFJHBAACJ · pith_short_8: QLVIDRLQ

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/QLVIDRLQFJHBAACJVOJXGTWGFH \
  | 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: 82ea81c5702a4e100049ab93734ec629df86e50ef643be95e33b4b6a7c00479c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f302709dd586131685177221f2d1ada915bc8fa4b00468c1d00185ea9e995ac6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-02-27T16:30:18Z",
    "title_canon_sha256": "408ef5accedc1d405e7b3db60e07eee157700bd6058782794e3ebd3425d11b85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07958",
    "kind": "arxiv",
    "version": 1
  }
}