Pith Number

pith:BISFJD4Q

pith:2004:BISFJD4QGJ3F6PPDVR7MCE7IPP

not attested not anchored not stored refs pending

Quiet Sun X-rays as Signature for New Particles

D.H.H. Hoffmann, J. Jacoby, K. Dennerl, K. Zioutas, L. DiLella, Th. Papaevangelou

arxiv:astro-ph/0403176 v1 · 2004-03-08 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BISFJD4QGJ3F6PPDVR7MCE7IPP}

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	2026-07-04T14:13:22.653533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a24548f9032765f3de3ac7ec113e87beb337d2b9bd178de144c6c42cb7e5fe0

Aliases

arxiv: astro-ph/0403176 · arxiv_version: astro-ph/0403176v1 · doi: 10.48550/arxiv.astro-ph/0403176 · pith_short_12: BISFJD4QGJ3F · pith_short_16: BISFJD4QGJ3F6PPD · pith_short_8: BISFJD4Q

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/BISFJD4QGJ3F6PPDVR7MCE7IPP \
  | 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: 0a24548f9032765f3de3ac7ec113e87beb337d2b9bd178de144c6c42cb7e5fe0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "257a579e911e110725db724f40320734f1d8882e6f265652cd9a2a3a2eb14348",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-08T10:24:36Z",
    "title_canon_sha256": "b8794521fc485d980ab070ccc544792ee2df009ff1a4056cd476f904ed1d58a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0403176",
    "kind": "arxiv",
    "version": 1
  }
}