Pith Number

pith:2LHP26EP

pith:2018:2LHP26EPBKM2QEHSNOI4CEIXFV

not attested not anchored not stored refs pending

Discovery of two eclipsing X-ray binaries in M51

Jifeng Liu, Roberto Soria, Ryan Urquhart, Song Wang

arxiv:1804.01464 v1 · 2018-04-04 · 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{2LHP26EPBKM2QEHSNOI4CEIXFV}

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	2026-05-18T00:17:37.933056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2cefd788f0a99a810f26b91c111172d671efa5be9e53d675151efa953aac7e3

Aliases

arxiv: 1804.01464 · arxiv_version: 1804.01464v1 · doi: 10.48550/arxiv.1804.01464 · pith_short_12: 2LHP26EPBKM2 · pith_short_16: 2LHP26EPBKM2QEHS · pith_short_8: 2LHP26EP

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/2LHP26EPBKM2QEHSNOI4CEIXFV \
  | 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: d2cefd788f0a99a810f26b91c111172d671efa5be9e53d675151efa953aac7e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "413d0eb43ec37ec135427e5aa2e4c2f9e87d26f8ec56ba0b39b4eeb87b7ecd6b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-04-04T15:20:11Z",
    "title_canon_sha256": "c5c7197fbbb7ccd7adeff55f63768b973dadbf4212ad5b3ec316370162e2aff2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01464",
    "kind": "arxiv",
    "version": 1
  }
}