Pith Number

pith:3M5WHS34

pith:2016:3M5WHS34ABIXMROQ2VAE7A74II

not attested not anchored not stored refs pending

Binary Central Stars of Planetary Nebulae Discovered Through Photometric Variability V: The Central Stars of HaTr 7 and ESO 330-9

Andrew Webb, David J. Frew, Hannah Rotter, Nicole Reindl, Steve Margheim, Todd C. Hillwig

arxiv:1612.01420 v1 · 2016-12-05 · 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{3M5WHS34ABIXMROQ2VAE7A74II}

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	2026-05-18T00:53:57.529500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db3b63cb7c00517645d0d5404f83fc420d1757cf15dc5fb8ab305b6426985860

Aliases

arxiv: 1612.01420 · arxiv_version: 1612.01420v1 · doi: 10.48550/arxiv.1612.01420 · pith_short_12: 3M5WHS34ABIX · pith_short_16: 3M5WHS34ABIXMROQ · pith_short_8: 3M5WHS34

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/3M5WHS34ABIXMROQ2VAE7A74II \
  | 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: db3b63cb7c00517645d0d5404f83fc420d1757cf15dc5fb8ab305b6426985860

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41b32c05b612bf2c81d77b28834b361994948e6ade536825929c7c2f23516b63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-12-05T16:24:57Z",
    "title_canon_sha256": "46a54ae590173e1c00f55946571c98200db10a9eb7cf22aebe30f2f87ca40e06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01420",
    "kind": "arxiv",
    "version": 1
  }
}