Pith Number

pith:3PSDRGGK

pith:2017:3PSDRGGKQY4DVZ2MRAYWBCH6MR

not attested not anchored not stored refs pending

X-ray emission from the nuclear region of Arp 220

Alessandro Paggi, Giuseppina Fabbiano, Guido Risaliti, Jay Gallagher, Jonathan McDowell, Junfeng Wang, Margarita Karovska, Martin Elvis, W. Peter Maksym

arxiv:1705.01547 v2 · 2017-05-03 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3PSDRGGKQY4DVZ2MRAYWBCH6MR}

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	2026-05-18T00:43:25.204270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbe43898ca86383ae74c88316088fe647a16753edf458b5628219fd63eb5f863

Aliases

arxiv: 1705.01547 · arxiv_version: 1705.01547v2 · doi: 10.48550/arxiv.1705.01547 · pith_short_12: 3PSDRGGKQY4D · pith_short_16: 3PSDRGGKQY4DVZ2M · pith_short_8: 3PSDRGGK

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/3PSDRGGKQY4DVZ2MRAYWBCH6MR \
  | 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: dbe43898ca86383ae74c88316088fe647a16753edf458b5628219fd63eb5f863

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "530659683e3b128b0ac9bd8022633b12de0e7bc7bef2af79e60aa0f5ebb22104",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-05-03T18:00:01Z",
    "title_canon_sha256": "582fbb8001fb1d80bb2a0f360b0ef090efd40331f47eea15cec606b52b672d93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.01547",
    "kind": "arxiv",
    "version": 2
  }
}