Pith Number

pith:Y4OTRMDV

pith:2016:Y4OTRMDVX67OR6KRV7TPCONV7Z

not attested not anchored not stored refs pending

Chandra and Swift X-ray Observations of the X-ray Pulsar SMC X-2 During the Outburst of 2015

Albert K. H. Kong, C.-P Hu, K. L. Li, L. C. C. Lin

arxiv:1608.03897 v2 · 2016-08-12 · 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{Y4OTRMDVX67OR6KRV7TPCONV7Z}

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	2026-05-18T01:04:17.765210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c71d38b075bfbee8f951afe6f139b5fe6f2516466b0c51d44e4caaf21d807eb7

Aliases

arxiv: 1608.03897 · arxiv_version: 1608.03897v2 · doi: 10.48550/arxiv.1608.03897 · pith_short_12: Y4OTRMDVX67O · pith_short_16: Y4OTRMDVX67OR6KR · pith_short_8: Y4OTRMDV

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/Y4OTRMDVX67OR6KRV7TPCONV7Z \
  | 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: c71d38b075bfbee8f951afe6f139b5fe6f2516466b0c51d44e4caaf21d807eb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72efd3567c867eb23c4e7149abc8e30b63ff28d31b68104fd07d0e07a8c4b75f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-08-12T20:06:02Z",
    "title_canon_sha256": "cdf4d52decd057d0afc28fa5d65897efa65db8ddf290a70c96e88b3cc33dd043"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.03897",
    "kind": "arxiv",
    "version": 2
  }
}