pith. sign in
Pith Number

pith:7FIDCOXK

pith:2011:7FIDCOXKUANZ737AUKFKYXAAZI
not attested not anchored not stored refs pending

Recent Spin Rate Measurements of 4U 1907+09

(2) Baskent University), A. Baykal (1) ((1) METU, S.C. Inam (2), S. Sahiner (1)

arxiv:1104.4898 v1 · 2011-04-26 · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{7FIDCOXKUANZ737AUKFKYXAAZI}

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 2026-05-18T02:02:14.863536Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f950313aeaa01b9fefe0a28aac5c00ca1787e1ff2a354404ba21e6b1dcdc5b0e

Aliases

arxiv: 1104.4898 · arxiv_version: 1104.4898v1 · doi: 10.48550/arxiv.1104.4898 · pith_short_12: 7FIDCOXKUANZ · pith_short_16: 7FIDCOXKUANZ737A · pith_short_8: 7FIDCOXK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/7FIDCOXKUANZ737AUKFKYXAAZI \
  | 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: f950313aeaa01b9fefe0a28aac5c00ca1787e1ff2a354404ba21e6b1dcdc5b0e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "994c2329c144081d3a988d9444eb3ad38a359c457eb2817ee00393bc51eb019d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-04-26T12:17:25Z",
    "title_canon_sha256": "217d2111073dc0ebddbc919586458976cb9c7d251f8a9959fa00c6409121a890"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4898",
    "kind": "arxiv",
    "version": 1
  }
}