Pith Number

pith:MRTAL3RW

pith:2018:MRTAL3RWYBDE2AFFZUH4DFQSYB

not attested not anchored not stored refs pending

A curious case of the accretion-powered X-ray pulsar GX 1+4

Gaurava K. Jaisawal, J. Chenevez, Prahlad Epili, Sachindra Naik, Shivangi Gupta

arxiv:1804.08989 v1 · 2018-04-24 · astro-ph.HE · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MRTAL3RWYBDE2AFFZUH4DFQSYB}

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	2026-05-18T00:17:36.681903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

646605ee36c0464d00a5cd0fc19612c0636c1f38da2835becaea0c74151cbac9

Aliases

arxiv: 1804.08989 · arxiv_version: 1804.08989v1 · doi: 10.48550/arxiv.1804.08989 · pith_short_12: MRTAL3RWYBDE · pith_short_16: MRTAL3RWYBDE2AFF · pith_short_8: MRTAL3RW

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/MRTAL3RWYBDE2AFFZUH4DFQSYB \
  | 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: 646605ee36c0464d00a5cd0fc19612c0636c1f38da2835becaea0c74151cbac9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c759aa6354aafb90efbc26e21db1b3abf21484f89ff2e2a5e4d337c61719ac79",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-04-24T12:33:42Z",
    "title_canon_sha256": "752b10388d5032c39e8770f4a25c19cde98fe90b306431c800e061c5e32e14cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08989",
    "kind": "arxiv",
    "version": 1
  }
}