Pith Number

pith:XH7JRZD4

pith:2010:XH7JRZD4JUFRX24KSDWMGLQC3D

not attested not anchored not stored refs pending

Virtual Observatory based identification of AX J194939+2631 as a new cataclysmic variable

Igor Chilingarian, Ivan Zolotukhin

arxiv:1010.3440 v1 · 2010-10-17 · astro-ph.HE · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XH7JRZD4JUFRX24KSDWMGLQC3D}

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	2026-05-18T02:05:04.102902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9fe98e47c4d0b1beb8a90ecc32e02d8f005ff93adbeb6d81bb7843563d57d9b

Aliases

arxiv: 1010.3440 · arxiv_version: 1010.3440v1 · doi: 10.48550/arxiv.1010.3440 · pith_short_12: XH7JRZD4JUFR · pith_short_16: XH7JRZD4JUFRX24K · pith_short_8: XH7JRZD4

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/XH7JRZD4JUFRX24KSDWMGLQC3D \
  | 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: b9fe98e47c4d0b1beb8a90ecc32e02d8f005ff93adbeb6d81bb7843563d57d9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1d869245c48c58a51324d2b44e545c42a65894027458eb4f84df0193735ca85",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-10-17T19:26:03Z",
    "title_canon_sha256": "8ba62d61891f70da50295f17fcca6833b8f19dd4a45033f9a861bf0d5d6cfa3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.3440",
    "kind": "arxiv",
    "version": 1
  }
}