Pith Number

pith:H72VGIMP

pith:2019:H72VGIMPF32LGZGSF6LBYZT73D

not attested not anchored not stored refs pending

Spin frequency evolution and pulse profile variations of the recently re-activated radio magnetar XTE J1810-197

A. G. Lyne, B. W. Stappers, G. Desvignes, L. Levin, M. Kramer, M. Mickaliger, P. Weltevrede, R. Karuppusamy, R. P. Eatough

arxiv:1903.02660 v2 · 2019-03-06 · 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{H72VGIMPF32LGZGSF6LBYZT73D}

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	2026-07-04T23:51:39.890831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ff553218f2ef4b364d22f961c667fd8e14a6a96572792dbdbeec88d06c3b0b5

Aliases

arxiv: 1903.02660 · arxiv_version: 1903.02660v2 · doi: 10.48550/arxiv.1903.02660 · pith_short_12: H72VGIMPF32L · pith_short_16: H72VGIMPF32LGZGS · pith_short_8: H72VGIMP

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/H72VGIMPF32LGZGSF6LBYZT73D \
  | 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: 3ff553218f2ef4b364d22f961c667fd8e14a6a96572792dbdbeec88d06c3b0b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "264da90603484fe4d16e776a5963c1c076ed02dfce526a13ec81ce2cb37897d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-03-06T23:47:01Z",
    "title_canon_sha256": "aff67a5902bc79b0c896cc87538fb1bc58e0152b8c20f7b93d8a45ca40258cda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02660",
    "kind": "arxiv",
    "version": 2
  }
}