Pith Number

pith:5GLSWDBP

pith:2007:5GLSWDBP56EP7FOZ7Q2IMM34XN

not attested not anchored not stored refs pending

A catalog of planetary nebulae in the elliptical galaxy NGC 4697

A. M. Teodorescu, R. H. Mendez, R.-P. Kudritzki

arxiv:0711.1857 v1 · 2007-11-13 · 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{5GLSWDBP56EP7FOZ7Q2IMM34XN}

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	2026-07-04T17:06:38.897630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9972b0c2fef88ff95d9fc3486337cbb740228e17231daedb13d16399e5caffc

Aliases

arxiv: 0711.1857 · arxiv_version: 0711.1857v1 · doi: 10.48550/arxiv.0711.1857 · pith_short_12: 5GLSWDBP56EP · pith_short_16: 5GLSWDBP56EP7FOZ · pith_short_8: 5GLSWDBP

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/5GLSWDBP56EP7FOZ7Q2IMM34XN \
  | 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: e9972b0c2fef88ff95d9fc3486337cbb740228e17231daedb13d16399e5caffc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2775a7ef404ed9dd32e36097b7dae4170d13867bcd7d90cc7539e9855b288ab3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-11-13T00:00:55Z",
    "title_canon_sha256": "5f1c9aea6aa1a18ee7c9f257b54812dee1b6f3c573f2de0382bd074d0b11417d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.1857",
    "kind": "arxiv",
    "version": 1
  }
}