Pith Number

pith:QKGDP44E

pith:2014:QKGDP44ES4MHNWENV6Z3YBQLFL

not attested not anchored not stored refs pending

Polarimetric and spectroscopic optical observations of the ultra-compact X-ray binary 4U 0614+091

D. Mainetti, D. M. Russell, M. C. Baglio, P. D'Avanzo, S. Campana, S. Covino, T. Shahbaz

arxiv:1410.1876 v1 · 2014-10-07 · astro-ph.SR · 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{QKGDP44ES4MHNWENV6Z3YBQLFL}

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	2026-05-18T02:31:46.443325Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

828c37f384971876d88dafb3bc060b2ad12acd9748debb19da3bc2a5eb906aaf

Aliases

arxiv: 1410.1876 · arxiv_version: 1410.1876v1 · doi: 10.48550/arxiv.1410.1876 · pith_short_12: QKGDP44ES4MH · pith_short_16: QKGDP44ES4MHNWEN · pith_short_8: QKGDP44E

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/QKGDP44ES4MHNWENV6Z3YBQLFL \
  | 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: 828c37f384971876d88dafb3bc060b2ad12acd9748debb19da3bc2a5eb906aaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "257852ea5567c154882d4c875b1dca98556a35598361384a4c68aaa380d121eb",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-10-07T20:00:03Z",
    "title_canon_sha256": "69ab2d452b3880478259796cb0b51921124813b592ff283739f10b14cc155450"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.1876",
    "kind": "arxiv",
    "version": 1
  }
}