Pith Number

pith:HFWASQQR

pith:2013:HFWASQQREYSYKTYVWUUZSTO3AG

not attested not anchored not stored refs pending

Apsidal motion in massive close binary systems. I. HD 165052 an extreme case?

E. Fern\'andez-Laj\'us, G. Ferrero, O. G. Benvenuto, R. Gamen

arxiv:1305.1911 v1 · 2013-05-08 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HFWASQQREYSYKTYVWUUZSTO3AG}

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	2026-05-18T01:50:04.587371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

396c0942112625854f15b529994ddb01b9b4bbfb4b3ad34071db66a3d907f263

Aliases

arxiv: 1305.1911 · arxiv_version: 1305.1911v1 · doi: 10.48550/arxiv.1305.1911 · pith_short_12: HFWASQQREYSY · pith_short_16: HFWASQQREYSYKTYV · pith_short_8: HFWASQQR

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/HFWASQQREYSYKTYVWUUZSTO3AG \
  | 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: 396c0942112625854f15b529994ddb01b9b4bbfb4b3ad34071db66a3d907f263

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ec07d876a75e0db67f9f1ae802fd20c4e318ebd585e62f52681e37e103dd4ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-05-08T18:31:34Z",
    "title_canon_sha256": "bae80c624d01e17770205dd8537bac16a9890ea086541e2a7924a640769c2f3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1911",
    "kind": "arxiv",
    "version": 1
  }
}