Pith Number

pith:7NVSGSKE

pith:2016:7NVSGSKEMQN2TK3ASI2SGUVTQY

not attested not anchored not stored refs pending

The Detection of Dust around NN Ser

Adam Hardy, Boris T. Gaensicke, Carolyn Brinkworth, Claudio Caceres, Dimitri Veras, Lucas Cieza, Matthias R. Schreiber, Steven G. Parsons, Thomas R. Marsh

arxiv:1604.05808 v1 · 2016-04-20 · astro-ph.EP · 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{7NVSGSKEMQN2TK3ASI2SGUVTQY}

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	2026-05-18T01:15:39.506046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb6b234944641ba9ab6092352352b386019b46dd13e8aeb0bcefadc5e1ea3b06

Aliases

arxiv: 1604.05808 · arxiv_version: 1604.05808v1 · doi: 10.48550/arxiv.1604.05808 · pith_short_12: 7NVSGSKEMQN2 · pith_short_16: 7NVSGSKEMQN2TK3A · pith_short_8: 7NVSGSKE

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/7NVSGSKEMQN2TK3ASI2SGUVTQY \
  | 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: fb6b234944641ba9ab6092352352b386019b46dd13e8aeb0bcefadc5e1ea3b06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92d1a5d65ff7e5274da697c0c4ca4ba4d59f46e51ebae580bb547750de9e4db3",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-04-20T03:53:47Z",
    "title_canon_sha256": "02a3fceed5bd995e23f65066eb809eb2bca47974f6c0a285f4c8cade22a7c393"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05808",
    "kind": "arxiv",
    "version": 1
  }
}