Pith Number

pith:7J4ADM23

pith:2018:7J4ADM23YBXTJVWP3L4TBAZTFI

not attested not anchored not stored refs pending

Planetary Nebulae in the UWISH2 survey

A.M. Jones, D. Froebrich, J. Campbell-White, T.M. Gledhill

arxiv:1807.01503 v1 · 2018-07-04 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7J4ADM23YBXTJVWP3L4TBAZTFI}

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	2026-05-18T00:11:29.573411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa7801b35bc06f34d6cfdaf93083332a16431ed801531631ccfc5ea30f70dc49

Aliases

arxiv: 1807.01503 · arxiv_version: 1807.01503v1 · doi: 10.48550/arxiv.1807.01503 · pith_short_12: 7J4ADM23YBXT · pith_short_16: 7J4ADM23YBXTJVWP · pith_short_8: 7J4ADM23

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/7J4ADM23YBXTJVWP3L4TBAZTFI \
  | 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: fa7801b35bc06f34d6cfdaf93083332a16431ed801531631ccfc5ea30f70dc49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "179b77136d27c2a1ce49c8ddb8892efc4f04d818f535d1e97c99517428dc0884",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-04T09:50:27Z",
    "title_canon_sha256": "7b9603dc0fab2baacc9a445bf55785cdfbde89c19fa9d6e0a005fb5af3fc57bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01503",
    "kind": "arxiv",
    "version": 1
  }
}