Pith Number

pith:F2MF5NXK

pith:2021:F2MF5NXKCGUIT5HYETHLL24XTR

not attested not anchored not stored refs pending

The harmonic component of the millihertz quasi-periodic oscillations in 4U 1636-53

D. Altamirano, Fu-Yuan Xiang, G. C. Mancuso, Guobao Zhang, Mariano Mendez, Ming Lyu, X.J. Yang, Zhenyan Fei

arxiv:2109.07686 v1 · 2021-09-16 · 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{F2MF5NXKCGUIT5HYETHLL24XTR}

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	2026-07-05T03:38:34.037037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e985eb6ea11a889f4f824ceb5eb979c4cd978c1e5ef20856a1913bb4a9e7593

Aliases

arxiv: 2109.07686 · arxiv_version: 2109.07686v1 · doi: 10.48550/arxiv.2109.07686 · pith_short_12: F2MF5NXKCGUI · pith_short_16: F2MF5NXKCGUIT5HY · pith_short_8: F2MF5NXK

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/F2MF5NXKCGUIT5HYETHLL24XTR \
  | 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: 2e985eb6ea11a889f4f824ceb5eb979c4cd978c1e5ef20856a1913bb4a9e7593

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06e2f33201bdb1e0c7ba5c1e9d5d2419849a73e54734867790c20c3aa7302b41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-09-16T03:10:35Z",
    "title_canon_sha256": "3c79ba3adb57e77751bbd2088966070b8b789130340241afda271336724a221e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.07686",
    "kind": "arxiv",
    "version": 1
  }
}