Pith Number

pith:ALTVDG3E

pith:2009:ALTVDG3E653QROC2AGJ3556IIM

not attested not anchored not stored refs pending

Not an open cluster after all: the NGC 6863 asterism in Aquila

Carlos de la Fuente Marcos (Suffolk University), Christian Moni Bidin (Universidad de Concepcion), Giovanni Carraro (ESO-Chile), Raul de la Fuente Marcos (Suffolk University)

arxiv:0912.0653 v1 · 2009-12-03 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ALTVDG3E653QROC2AGJ3556IIM}

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	2026-05-18T02:10:34.270303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02e7519b64f77708b85a0193bef7c84321226e879d2e9d5b63283e2ca66ac3ed

Aliases

arxiv: 0912.0653 · arxiv_version: 0912.0653v1 · doi: 10.48550/arxiv.0912.0653 · pith_short_12: ALTVDG3E653Q · pith_short_16: ALTVDG3E653QROC2 · pith_short_8: ALTVDG3E

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/ALTVDG3E653QROC2AGJ3556IIM \
  | 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: 02e7519b64f77708b85a0193bef7c84321226e879d2e9d5b63283e2ca66ac3ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8268176f0770d7e7da532626c935185ce938c327460ceebbbad779d95ec3eb0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-12-03T13:36:24Z",
    "title_canon_sha256": "c1c00173fd29b2d5af0564c6ba2b5f921580eee7893f9ed61464234bfbc7d138"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0653",
    "kind": "arxiv",
    "version": 1
  }
}