Pith Number

pith:H7M6VCOO

pith:2024:H7M6VCOOV4ZP32MIO6KB6XSKIL

not attested not anchored not stored refs pending

Why are optical coronal lines faint in active galactic nuclei?

Ari Laor, Claudio Ricci, Jeffrey D. McKaig, Jenna M. Cann, Nicholas P. Abel, Sara M. Doan, Shobita Satyapal

arxiv:2408.15229 v1 · 2024-08-27 · astro-ph.GA · 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{H7M6VCOOV4ZP32MIO6KB6XSKIL}

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	2026-07-05T08:59:56.225856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fd9ea89ceaf32fde98877941f5e4a42f710aad1924d880a623772106d44fccf

Aliases

arxiv: 2408.15229 · arxiv_version: 2408.15229v1 · doi: 10.48550/arxiv.2408.15229 · pith_short_12: H7M6VCOOV4ZP · pith_short_16: H7M6VCOOV4ZP32MI · pith_short_8: H7M6VCOO

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/H7M6VCOOV4ZP32MIO6KB6XSKIL \
  | 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: 3fd9ea89ceaf32fde98877941f5e4a42f710aad1924d880a623772106d44fccf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43d84b7d4672cd54a37fffcadd9d2a9409cb1dec6041705753689b39b73fbd9c",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-08-27T17:48:06Z",
    "title_canon_sha256": "32f9190ec85bf85c8d4e84819a9143937131508c74f41ff092f88b4c9dab6ce7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.15229",
    "kind": "arxiv",
    "version": 1
  }
}