Pith Number

pith:TTETG244

pith:2019:TTETG244G4YJLPWVHDUJPYX6JE

not attested not anchored not stored refs pending

Properties of the transient X-ray pulsar Swift J1816.7--1613 and its optical companion

Alexander A. Lutovinov, Armin Nabizadeh, Dmitrij I. Karasev, Dmitrij I. Nagirner, Juhani M\"onkk\"onen, Juri Poutanen, Sergey S. Tsygankov

arxiv:1901.03962 v1 · 2019-01-13 · 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{TTETG244G4YJLPWVHDUJPYX6JE}

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	2026-05-17T23:52:38.653288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cc9336b9c373095bed538e897e2fe4900b9d4781699b83ca5f133180ab7b820

Aliases

arxiv: 1901.03962 · arxiv_version: 1901.03962v1 · doi: 10.48550/arxiv.1901.03962 · pith_short_12: TTETG244G4YJ · pith_short_16: TTETG244G4YJLPWV · pith_short_8: TTETG244

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/TTETG244G4YJLPWVHDUJPYX6JE \
  | 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: 9cc9336b9c373095bed538e897e2fe4900b9d4781699b83ca5f133180ab7b820

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bac838f06f14c9aa6b5935f4d85d6ce916c52280465420d722aff294b21d7d3f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-01-13T11:50:03Z",
    "title_canon_sha256": "fa77a42c5b8f39d36376a0b700ad960c3ca69e6036e21374c7f63027b81fa04f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03962",
    "kind": "arxiv",
    "version": 1
  }
}