Pith Number

pith:ECSU7QIC

pith:2019:ECSU7QIC42BSP2CXMV6HE4KT2G

not attested not anchored not stored refs pending

Optical Counterparts of an Ultraluminous X-Ray Source X-1 in NGC 2500

A. Aky\"uz, H. Avdan, N. Aksaker, S. Avdan

arxiv:1905.09020 v1 · 2019-05-22 · astro-ph.GA · 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{ECSU7QIC42BSP2CXMV6HE4KT2G}

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	2026-07-04T23:55:42.338345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20a54fc102e68327e857657c727153d18ae3d880dc75d897480944e83ce6e489

Aliases

arxiv: 1905.09020 · arxiv_version: 1905.09020v1 · doi: 10.48550/arxiv.1905.09020 · pith_short_12: ECSU7QIC42BS · pith_short_16: ECSU7QIC42BSP2CX · pith_short_8: ECSU7QIC

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/ECSU7QIC42BSP2CXMV6HE4KT2G \
  | 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: 20a54fc102e68327e857657c727153d18ae3d880dc75d897480944e83ce6e489

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73801418a10feca5bb1cf8920845b5524b9d6052e5030bbb0cfb59bfc7c348b6",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-22T08:43:20Z",
    "title_canon_sha256": "11009698e98ac9a2a0bfbb7ea96a1f8c4f5bae0e469424a84c56497512d4ab34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09020",
    "kind": "arxiv",
    "version": 1
  }
}