Pith Number

pith:VWO6NAQZ

pith:2009:VWO6NAQZQXJVQUNLBMOFAE7L6M

not attested not anchored not stored refs pending

Preliminary determinations of the masses of the neutron star and mass donor in the High Mass X-ray Binary system EXO 1722-363

A.B. Mason, A.J. Norton, I. Negueruela, J.S. Clark, P. Roche

arxiv:0911.4887 v1 · 2009-11-25 · astro-ph.SR · 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{VWO6NAQZQXJVQUNLBMOFAE7L6M}

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	2026-05-18T02:10:36.753833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad9de6821985d35851ab0b1c5013ebf3101ed8188fb09fdd4e575f925dfe6120

Aliases

arxiv: 0911.4887 · arxiv_version: 0911.4887v1 · doi: 10.48550/arxiv.0911.4887 · pith_short_12: VWO6NAQZQXJV · pith_short_16: VWO6NAQZQXJVQUNL · pith_short_8: VWO6NAQZ

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/VWO6NAQZQXJVQUNLBMOFAE7L6M \
  | 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: ad9de6821985d35851ab0b1c5013ebf3101ed8188fb09fdd4e575f925dfe6120

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "860e9a39cddfe3f032326775d09ece28da54522897f12d96e1330a3ab88b1d4c",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-25T16:04:25Z",
    "title_canon_sha256": "6557e29099d635c6bbe305603a304d8b3f70de158575c35e727e2643d6a1e43e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4887",
    "kind": "arxiv",
    "version": 1
  }
}