Pith Number

pith:DUSSHVHM

pith:2000:DUSSHVHM2LJU27CWCBAVMQOIHU

not attested not anchored not stored refs pending

Modeling the X-ray - UV Correlations in NGC 3516

Demos Kazanas, Sergei Nayakshin (NASA/GSFC)

arxiv:astro-ph/0007421 v1 · 2000-07-27 · 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{DUSSHVHM2LJU27CWCBAVMQOIHU}

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	2026-07-04T16:16:57.721372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d2523d4ecd2d34d7c5610415641c83d0c93b46d944691418a891ea1c26130c2

Aliases

arxiv: astro-ph/0007421 · arxiv_version: astro-ph/0007421v1 · doi: 10.48550/arxiv.astro-ph/0007421 · pith_short_12: DUSSHVHM2LJU · pith_short_16: DUSSHVHM2LJU27CW · pith_short_8: DUSSHVHM

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/DUSSHVHM2LJU27CWCBAVMQOIHU \
  | 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: 1d2523d4ecd2d34d7c5610415641c83d0c93b46d944691418a891ea1c26130c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "340dc43b685b70e3fe7a97b319fe5afdf5ba26653976f91b049ca5d6fc1f7cd3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-07-27T19:41:10Z",
    "title_canon_sha256": "60db2d18a2936053bcf298146c707d03678c645a0eb70a430f44d258c92d3fca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0007421",
    "kind": "arxiv",
    "version": 1
  }
}