pith. sign in
Pith Number

pith:SCRPH2QQ

pith:2016:SCRPH2QQS7CXHGL6Q5UWCDGHKS
not attested not anchored not stored refs pending

Imaging polarimetry and spectropolarimetry of comet C/2013 R1 (Lovejoy)

Galin Borisov, Plamen Nikolov, Stefano Bagnulo, Tanyu Bonev

arxiv:1601.02701 v1 · 2016-01-12 · astro-ph.EP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{SCRPH2QQS7CXHGL6Q5UWCDGHKS}

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 2026-05-18T01:23:01.665186Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

90a2f3ea1097c573997e8769610cc75480dfef6bb3a6055405d06912be0cd4ed

Aliases

arxiv: 1601.02701 · arxiv_version: 1601.02701v1 · doi: 10.48550/arxiv.1601.02701 · pith_short_12: SCRPH2QQS7CX · pith_short_16: SCRPH2QQS7CXHGL6 · pith_short_8: SCRPH2QQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/SCRPH2QQS7CXHGL6Q5UWCDGHKS \
  | 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: 90a2f3ea1097c573997e8769610cc75480dfef6bb3a6055405d06912be0cd4ed
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "eafb473b36af02f328c1b0648eb18de876090aed16f8a5b73fd893129296d42d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-01-12T00:36:46Z",
    "title_canon_sha256": "5b174dcd98e4605702cba0b12f9539d6da926f7226389f331254a68151e3be73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.02701",
    "kind": "arxiv",
    "version": 1
  }
}