Pith Number

pith:S3KZJBYI

pith:2016:S3KZJBYI7YFWREURCCOLBT2O5A

not attested not anchored not stored refs pending

The X-ray light curve of the massive colliding wind Wolf-Rayet + O binary WR21a

Eric Gosset, Yael Naze

arxiv:1604.01536 v1 · 2016-04-06 · astro-ph.SR · 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{S3KZJBYI7YFWREURCCOLBT2O5A}

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	2026-05-18T01:13:48.243702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96d5948708fe0b689291109cb0cf4ee80446cdaa4aea8424fc10af6b1141c000

Aliases

arxiv: 1604.01536 · arxiv_version: 1604.01536v1 · doi: 10.48550/arxiv.1604.01536 · pith_short_12: S3KZJBYI7YFW · pith_short_16: S3KZJBYI7YFWREUR · pith_short_8: S3KZJBYI

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/S3KZJBYI7YFWREURCCOLBT2O5A \
  | 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: 96d5948708fe0b689291109cb0cf4ee80446cdaa4aea8424fc10af6b1141c000

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c309b8c79897515e9813a8090b69224420a425bb9c3d0bb28430a6d80a85f748",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-04-06T08:22:54Z",
    "title_canon_sha256": "94f78f93a6dc5abfd1188649457f41c9110535c9a62cac25d7eb6b87f2190650"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.01536",
    "kind": "arxiv",
    "version": 1
  }
}