Pith Number

pith:SRPWMBUF

pith:2021:SRPWMBUFD4PQZDI2QTQO7ZRTT2

not attested not anchored not stored refs pending

Chandra Observations of Excess Fe K$\alpha$ Line Emission in Galaxies with High Star Formation Rates: X-ray Reflection on Galaxy Scales?

Alberto Masini, Chien-Ting J. Chen, Claudio Ricci, David M. Alexander, Franz E. Bauer, Ryan C. Hickox, Wei Yan

arxiv:2104.10702 v1 · 2021-04-21 · 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{SRPWMBUFD4PQZDI2QTQO7ZRTT2}

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	2026-07-05T02:53:42.304879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

945f6606851f1f0c8d1a84e0efe6339ebc5ba2097d4905d32f5ccfed155599dd

Aliases

arxiv: 2104.10702 · arxiv_version: 2104.10702v1 · doi: 10.48550/arxiv.2104.10702 · pith_short_12: SRPWMBUFD4PQ · pith_short_16: SRPWMBUFD4PQZDI2 · pith_short_8: SRPWMBUF

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/SRPWMBUFD4PQZDI2QTQO7ZRTT2 \
  | 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: 945f6606851f1f0c8d1a84e0efe6339ebc5ba2097d4905d32f5ccfed155599dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e965372967bd56e23b7ab40f59464e7ba915341345f07ba36182cd50c6f3d3a7",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-04-21T18:01:46Z",
    "title_canon_sha256": "8e485aefec360842167aba6134c2e8be8fed1d0843de09ca47cd01e17719e897"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.10702",
    "kind": "arxiv",
    "version": 1
  }
}