Pith Number

pith:NBW4HH5Z

pith:2005:NBW4HH5ZKT2NFJU7QDTXYRUMLW

not attested not anchored not stored refs pending

VLT Observations of the Ultraluminous X-ray Source NGC 1313 X-2

A. Treves, L. Zampieri, P. Mucciarelli, R. Falomo, R. Turolla

arxiv:astro-ph/0510085 v2 · 2005-10-04 · 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{NBW4HH5ZKT2NFJU7QDTXYRUMLW}

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	2026-07-04T17:15:15.762172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

686dc39fb954f4d2a69f80e77c468c5db4033529631d544dc68c6b51ad597036

Aliases

arxiv: astro-ph/0510085 · arxiv_version: astro-ph/0510085v2 · doi: 10.48550/arxiv.astro-ph/0510085 · pith_short_12: NBW4HH5ZKT2N · pith_short_16: NBW4HH5ZKT2NFJU7 · pith_short_8: NBW4HH5Z

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/NBW4HH5ZKT2NFJU7QDTXYRUMLW \
  | 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: 686dc39fb954f4d2a69f80e77c468c5db4033529631d544dc68c6b51ad597036

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a2c9484dee7a33032f752a0c9b79e4180876ead16b4057f0fb16ca63974b05e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-10-04T15:05:50Z",
    "title_canon_sha256": "8e25066365c1e0c609238541b8a4a6d53a0ce24b3f25eb3263508b7abb309b19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0510085",
    "kind": "arxiv",
    "version": 2
  }
}