Pith Number

pith:EVVUM34V

pith:2000:EVVUM34VMJ2C6EP3UOZNQY4EL5

not attested not anchored not stored refs pending

On the nature of the FBS blue stellar objects and the completeness of the Bright Quasar Survey. II

A. C. Goncalves, A. M. Mickaelian, M.-P. Veron-Cetty, P. Veron

arxiv:astro-ph/0006331 v1 · 2000-06-23 · 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{EVVUM34VMJ2C6EP3UOZNQY4EL5}

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	2026-05-18T01:33:49.595960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

256b466f9562742f11fba3b2d863845f67acedb75523dfa6dbf5ec1d9d52d0d8

Aliases

arxiv: astro-ph/0006331 · arxiv_version: astro-ph/0006331v1 · doi: 10.48550/arxiv.astro-ph/0006331 · pith_short_12: EVVUM34VMJ2C · pith_short_16: EVVUM34VMJ2C6EP3 · pith_short_8: EVVUM34V

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/EVVUM34VMJ2C6EP3UOZNQY4EL5 \
  | 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: 256b466f9562742f11fba3b2d863845f67acedb75523dfa6dbf5ec1d9d52d0d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01d435b13a196f45697b404d8aeb17554a9070772f5440d7d0fd7f37e248a00a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-06-23T08:28:18Z",
    "title_canon_sha256": "8e86c3d73727ffd9c7b72c10056853592d580684db06277c914955e3a973c849"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0006331",
    "kind": "arxiv",
    "version": 1
  }
}