Pith Number

pith:HXWU3MRS

pith:2003:HXWU3MRSUXTXPBHESYT7AN6DWM

not attested not anchored not stored refs pending

Timescales of Soft X-Ray Variability and Physical Constraints in Agns

W. Bian, Y. Zhao

arxiv:astro-ph/0303548 v1 · 2003-03-25 · 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{HXWU3MRSUXTXPBHESYT7AN6DWM}

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	2026-07-04T16:36:43.934654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ded4db232a5e77784e49627f037c3b333276a2bc5ff104f973cf347e492126e

Aliases

arxiv: astro-ph/0303548 · arxiv_version: astro-ph/0303548v1 · doi: 10.48550/arxiv.astro-ph/0303548 · pith_short_12: HXWU3MRSUXTX · pith_short_16: HXWU3MRSUXTXPBHE · pith_short_8: HXWU3MRS

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/HXWU3MRSUXTXPBHESYT7AN6DWM \
  | 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: 3ded4db232a5e77784e49627f037c3b333276a2bc5ff104f973cf347e492126e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c46a1e38cd95230a8bdbcef8a98f470fbb97114e81333136d9a28bff3e84e21",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-03-25T12:36:54Z",
    "title_canon_sha256": "77e3bfab36253996cc615da879d1e27467a0542ff75e657100243b243dc55f20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0303548",
    "kind": "arxiv",
    "version": 1
  }
}