Pith Number

pith:SM4LLULI

pith:2016:SM4LLULIWXMURBEWM33QJYWU23

not attested not anchored not stored refs pending

Sample of Cataclysmic Variables from 400d X-ray Survey

A. Meshcheryakov, A. Semena, A. Tkachenko, M. Eselevich, M. Pavlinsky, M. Revnivtsev, R. Burenin, S. Dodonov, V. Vorobyev

arxiv:1612.08407 v1 · 2016-12-26 · 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{SM4LLULIWXMURBEWM33QJYWU23}

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	2026-05-18T00:52:37.076671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9338b5d168b5d948849666f704e2d4d6d0f705b7b5bd74add7e0b8910cab81b4

Aliases

arxiv: 1612.08407 · arxiv_version: 1612.08407v1 · doi: 10.48550/arxiv.1612.08407 · pith_short_12: SM4LLULIWXMU · pith_short_16: SM4LLULIWXMURBEW · pith_short_8: SM4LLULI

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/SM4LLULIWXMURBEWM33QJYWU23 \
  | 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: 9338b5d168b5d948849666f704e2d4d6d0f705b7b5bd74add7e0b8910cab81b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a75bc16ebe671f374fc46a359d70cbeaf7f91a67146c63a1524685020bddfca0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-12-26T15:43:27Z",
    "title_canon_sha256": "fd32ea18d8e83c036695deec45b456da20e6a36ca5603ccc847cd47254b679c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.08407",
    "kind": "arxiv",
    "version": 1
  }
}