Pith Number

pith:MRCHZ3FM

pith:2019:MRCHZ3FMYTR3JIH4XWVL2IJ6II

not attested not anchored not stored refs pending

GROJ1750-27: a neutron star far behind the Galactic Center switching into the propeller regime

1), 2 - University of Turku, 3 - Institut f\"ur Astronomie und Astrophysik, A.Lutovinov (1), D.Karasev (1), Moscow, S.Molkov (1), S.Tsygankov (2, T\"ubingen), V.Doroshenko (3) (1 - Space Research Institute

arxiv:1902.05153 v1 · 2019-02-13 · 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{MRCHZ3FMYTR3JIH4XWVL2IJ6II}

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	2026-05-17T23:53:20.304536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64447cecacc4e3b4a0fcbdaabd213e4227426eda3438bc7e4ad2ecdc9219eed0

Aliases

arxiv: 1902.05153 · arxiv_version: 1902.05153v1 · doi: 10.48550/arxiv.1902.05153 · pith_short_12: MRCHZ3FMYTR3 · pith_short_16: MRCHZ3FMYTR3JIH4 · pith_short_8: MRCHZ3FM

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/MRCHZ3FMYTR3JIH4XWVL2IJ6II \
  | 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: 64447cecacc4e3b4a0fcbdaabd213e4227426eda3438bc7e4ad2ecdc9219eed0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a95a1db3687db29cbdc6c5136a68d10e7338a40d74a97d98da94b465ecb12e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-02-13T22:33:58Z",
    "title_canon_sha256": "c31815fb538edf1a07b2a3ffeb69df7e847515b472ca6b455d817733344ee747"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05153",
    "kind": "arxiv",
    "version": 1
  }
}