Pith Number

pith:H57MTYNJ

pith:2019:H57MTYNJ54A4U5L7FGTSFCD5SG

not attested not anchored not stored refs pending

A systematic study of soft X-ray pulse profiles of magnetars in quiescence

Chin-Ping Hu, C.-Y. Ng, Wynn C. G. Ho

arxiv:1903.01091 v1 · 2019-03-04 · 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{H57MTYNJ54A4U5L7FGTSFCD5SG}

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	2026-05-17T23:49:01.719413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f7ec9e1a9ef01ca757f29a722887d919a3c2c74a6e1c8f7ac976d66d08cb5c4

Aliases

arxiv: 1903.01091 · arxiv_version: 1903.01091v1 · doi: 10.48550/arxiv.1903.01091 · pith_short_12: H57MTYNJ54A4 · pith_short_16: H57MTYNJ54A4U5L7 · pith_short_8: H57MTYNJ

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/H57MTYNJ54A4U5L7FGTSFCD5SG \
  | 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: 3f7ec9e1a9ef01ca757f29a722887d919a3c2c74a6e1c8f7ac976d66d08cb5c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d35a08274f051d91c9570659df92891a769c802076e99d388f11fe981b7769f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-03-04T06:58:32Z",
    "title_canon_sha256": "104eb3c46f542b67e39706c02fdfbe1a710d68c8b5ccaff4fed1eaa301fda5d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01091",
    "kind": "arxiv",
    "version": 1
  }
}