Pith Number

pith:MP7NSVMU

pith:2015:MP7NSVMUNPG34GKTM7HVKSD2ZV

not attested not anchored not stored refs pending

The Chandra Local Volume Survey I: The X-ray Point Source Populations of NGC 55, NGC 2403, and NGC 4214

A. K. H. Kong, B. Binder, B. F. Williams, D. R. Weisz, E. D. Skillman, J. J. Dalcanton, M. Eracleous, P. P. Plucinsky, S. F. Anderson, T. J. Gaetz

arxiv:1507.01999 v1 · 2015-07-08 · 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{MP7NSVMUNPG34GKTM7HVKSD2ZV}

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	2026-05-18T01:32:59.910359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63fed955946bcdbe195367cf55487acd51cb3ec36b52de1e31b5c20d80d57271

Aliases

arxiv: 1507.01999 · arxiv_version: 1507.01999v1 · doi: 10.48550/arxiv.1507.01999 · pith_short_12: MP7NSVMUNPG3 · pith_short_16: MP7NSVMUNPG34GKT · pith_short_8: MP7NSVMU

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/MP7NSVMUNPG34GKTM7HVKSD2ZV \
  | 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: 63fed955946bcdbe195367cf55487acd51cb3ec36b52de1e31b5c20d80d57271

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9002cf7d91aa5a08cde3963a71bb94e496d74de4e3af18ec2e6693eac4f8d61c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-07-08T00:46:16Z",
    "title_canon_sha256": "0a08ea5902dc6c596971eb82aa38e4b91fbb37445f5bbdfa17a555cd678dd493"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01999",
    "kind": "arxiv",
    "version": 1
  }
}