Pith Number

pith:AVQWOLNN

pith:1997:AVQWOLNNQAGX4Y2HFV5QTCKK6P

not attested not anchored not stored refs pending

A high excitation HII region in the faint dwarf elliptical galaxy A0951+68

A.Lawrence, D.Carter, R.A.Johnson, R.Terlevich

arxiv:astro-ph/9702217 v1 · 1997-02-25 · 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{AVQWOLNNQAGX4Y2HFV5QTCKK6P}

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	2026-05-18T01:40:18.091909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0561672dad800d7e63472d7b09894af3f254bcd61cd4b8640994034044ba5981

Aliases

arxiv: astro-ph/9702217 · arxiv_version: astro-ph/9702217v1 · doi: 10.48550/arxiv.astro-ph/9702217 · pith_short_12: AVQWOLNNQAGX · pith_short_16: AVQWOLNNQAGX4Y2H · pith_short_8: AVQWOLNN

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/AVQWOLNNQAGX4Y2HFV5QTCKK6P \
  | 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: 0561672dad800d7e63472d7b09894af3f254bcd61cd4b8640994034044ba5981

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0db7ecef3bec2e456a67cc47afcb8885ad5a670be2af5a59bf4b3c9b213f258e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-02-25T16:00:18Z",
    "title_canon_sha256": "d687166c155482ac943ebeee40f77eb96dfb933c464eef65e7f1f6f42bf332c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9702217",
    "kind": "arxiv",
    "version": 1
  }
}