Pith Number

pith:7QIYMZJO

pith:2015:7QIYMZJOPRP7BYZYCKWD4YGRHZ

not attested not anchored not stored refs pending

NuSTAR observations of the young, energetic radio pulsar PSR B1509-58

Daniel Stern, Fiona A. Harrison, Ge Chen, Hongjun An, Kristin K. Madsen, Victoria M. Kaspi

arxiv:1507.08977 v4 · 2015-07-31 · 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{7QIYMZJOPRP7BYZYCKWD4YGRHZ}

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	2026-05-18T01:21:31.722961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc1186652e7c5ff0e33812ac3e60d13e751b2fd697f6b672c99c8510296aa1a0

Aliases

arxiv: 1507.08977 · arxiv_version: 1507.08977v4 · doi: 10.48550/arxiv.1507.08977 · pith_short_12: 7QIYMZJOPRP7 · pith_short_16: 7QIYMZJOPRP7BYZY · pith_short_8: 7QIYMZJO

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/7QIYMZJOPRP7BYZYCKWD4YGRHZ \
  | 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: fc1186652e7c5ff0e33812ac3e60d13e751b2fd697f6b672c99c8510296aa1a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3120c1d5f918f6c5ad5e6177aadfbbccbe7ce7badaa11717a754826357dd2b41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-07-31T19:12:16Z",
    "title_canon_sha256": "ddfe04edb2baa8b50e47d449390d58dcbe98561f1ec9f6d1a261d340292e95bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08977",
    "kind": "arxiv",
    "version": 4
  }
}