Pith Number

pith:HPRU55I2

pith:2015:HPRU55I23FMCKGRDML3EQR66OW

not attested not anchored not stored refs pending

Imaging polarimetry of comets C/2013 V1 (Boattini) and 290P/Jager before and after perihelion

B. J. Medhi, H. S. Das, P. Deb Roy, P. Halder

arxiv:1503.08151 v3 · 2015-03-27 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HPRU55I23FMCKGRDML3EQR66OW}

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	2026-05-18T02:17:33.011276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3be34ef51ad958251a2362f64847de75af35c1d243a44349f2278d6b9cf2b79f

Aliases

arxiv: 1503.08151 · arxiv_version: 1503.08151v3 · doi: 10.48550/arxiv.1503.08151 · pith_short_12: HPRU55I23FMC · pith_short_16: HPRU55I23FMCKGRD · pith_short_8: HPRU55I2

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/HPRU55I23FMCKGRDML3EQR66OW \
  | 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: 3be34ef51ad958251a2362f64847de75af35c1d243a44349f2278d6b9cf2b79f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "655861e6d8126cd2871eb5a845db66d89ae23cc0d203577015f61aa6905f0d00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-03-27T17:06:49Z",
    "title_canon_sha256": "fca07d7338269ef4993f2a7d118898e892f41acf5091b2503173c66586d83a4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08151",
    "kind": "arxiv",
    "version": 3
  }
}