pith. sign in
Pith Number

pith:ZZRU4SAP

pith:2018:ZZRU4SAPPE6PTTZGKYTDMI6PT7
not attested not anchored not stored refs pending

Multitude of iron lines including a Compton scattered component in OAO 1657--415 detected with Chandra

Biswajit Paul, Gayathri Raman, Pragati Pradhan

arxiv:1812.06108 v1 · 2018-12-14 · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ZZRU4SAPPE6PTTZGKYTDMI6PT7}

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 2026-05-17T23:55:53.412800Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ce634e480f793cf9cf2656263623cf9fcf08b77c93baab92ad6155c69aeb8929

Aliases

arxiv: 1812.06108 · arxiv_version: 1812.06108v1 · doi: 10.48550/arxiv.1812.06108 · pith_short_12: ZZRU4SAPPE6P · pith_short_16: ZZRU4SAPPE6PTTZG · pith_short_8: ZZRU4SAP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZZRU4SAPPE6PTTZGKYTDMI6PT7 \
  | 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: ce634e480f793cf9cf2656263623cf9fcf08b77c93baab92ad6155c69aeb8929
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "98542e3916c11a7d39cbf70766c5752a60ff9a7efb02c810cfef85a131e2e4c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-12-14T19:01:06Z",
    "title_canon_sha256": "7763b29ef1ae8976ddb9b7b14a6f5f7074e177114e56427a063691deeea71226"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.06108",
    "kind": "arxiv",
    "version": 1
  }
}