Pith Number

pith:NVXQANLF

pith:2009:NVXQANLFBKLDKXC4VFVVPOIPDG

not attested not anchored not stored refs pending

Soft X-ray emission from the inner disk of M33

R. A. Owen, R. S. Warwick

arxiv:0911.3546 v1 · 2009-11-18 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NVXQANLFBKLDKXC4VFVVPOIPDG}

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	2026-05-18T02:10:46.368094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d6f0035650a96355c5ca96b57b90f1993986cc293bcaf1cb4711e5eea701655

Aliases

arxiv: 0911.3546 · arxiv_version: 0911.3546v1 · doi: 10.48550/arxiv.0911.3546 · pith_short_12: NVXQANLFBKLD · pith_short_16: NVXQANLFBKLDKXC4 · pith_short_8: NVXQANLF

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/NVXQANLFBKLDKXC4VFVVPOIPDG \
  | 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: 6d6f0035650a96355c5ca96b57b90f1993986cc293bcaf1cb4711e5eea701655

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6ca58d306dbdf507c71ad9f43dc9853fecae6c67624fedb1fa44a9fa21e24ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-11-18T16:22:43Z",
    "title_canon_sha256": "b7f97838ae09fac692e4bdc2d9b02000c8e349096762272758c43e8e715e89c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.3546",
    "kind": "arxiv",
    "version": 1
  }
}