Pith Number

pith:BVDBA5ED

pith:2016:BVDBA5EDNAQXDQRCRT3ZH6RPKW

not attested not anchored not stored refs pending

Imaging the elusive H-poor gas in the high ADF planetary nebula NGC 6778

1), 1) ((1) IAC, 2), (2) ULL, (3) GTC, (4) Univ. Fed. Itajuba, Antonio Cabrera-Lavers (3, Brazil), David Jones (1, Hektor Monteiro (4), Jorge Garc\'ia-Rojas (1, Pablo Rodr\'iguez-Gil (1, Romano L. M. Corradi (3, Spain

arxiv:1606.02830 v1 · 2016-06-09 · astro-ph.SR · 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{BVDBA5EDNAQXDQRCRT3ZH6RPKW}

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	2026-05-18T01:11:47.798570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d46107483682171c2228cf793fa2f55a06a98b84468e2970879a2814e17d2d8

Aliases

arxiv: 1606.02830 · arxiv_version: 1606.02830v1 · doi: 10.48550/arxiv.1606.02830 · pith_short_12: BVDBA5EDNAQX · pith_short_16: BVDBA5EDNAQXDQRC · pith_short_8: BVDBA5ED

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/BVDBA5EDNAQXDQRCRT3ZH6RPKW \
  | 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: 0d46107483682171c2228cf793fa2f55a06a98b84468e2970879a2814e17d2d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d39dae12853d286203ae2b3a7eecb2793ce5308f6413f6f4fe8ad71be03d2bff",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-06-09T06:00:16Z",
    "title_canon_sha256": "01cf99d0f70faf5385bef0f30f7d909942e0885d80be7ad2efa7d05f2b47eb03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.02830",
    "kind": "arxiv",
    "version": 1
  }
}