Pith Number

pith:OADU4TBJ

pith:2007:OADU4TBJXU4JIOIEOSZMJZP7YK

not attested not anchored not stored refs pending

Using the X-ray Dust Scattering Halo of 4U 1624-490 to determine distance and dust distributions

Jingen Xiang, Julia C. Lee, Michael A. Nowak

arxiv:astro-ph/0701865 v1 · 2007-01-30 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OADU4TBJXU4JIOIEOSZMJZP7YK}

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	2026-05-18T04:29:06.813129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70074e4c29bd3894390474b2c4e5ffc2bffe08e399b620bc33ac0f2ba4b5341a

Aliases

arxiv: astro-ph/0701865 · arxiv_version: astro-ph/0701865v1 · doi: 10.48550/arxiv.astro-ph/0701865 · pith_short_12: OADU4TBJXU4J · pith_short_16: OADU4TBJXU4JIOIE · pith_short_8: OADU4TBJ

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/OADU4TBJXU4JIOIEOSZMJZP7YK \
  | 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: 70074e4c29bd3894390474b2c4e5ffc2bffe08e399b620bc33ac0f2ba4b5341a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d48843450721d3f3e22fff2e79ad6c537efea4bef5b0cd528f7c3b10818e80a1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-30T16:02:01Z",
    "title_canon_sha256": "00245682b15eca91e7f61b7270dafe84a15888c94f453c89f1a987fe682ccafc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701865",
    "kind": "arxiv",
    "version": 1
  }
}